Home / 10,186.99-15,284.70-5,501.49

Finding the Fourth Proportional to 10,186.99, 15,284.70 and 5,501.49

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Solution

The fourth proportional to 10,186.99, 15,284.70 and 5,501.49 is: 8,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.99 : 15,284.70 = 5,501.49 : x
  2. Step 2: Convert to fraction form
    10,186.99/15,284.70 = 5,501.49/x
  3. Step 3: Cross multiply
    10,186.99x = 15,284.70 × 5,501.49
  4. Step 4: Simplify right side
    10,186.99x = 84,088,624.20
  5. Step 5: Solve for x
    x = 84,088,624.20/10,186.99
  6. Step 6: Final answer
    x = 8,254.51

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.