Home / 10,966.60-15,134.28-6,186.49

Finding the Fourth Proportional to 10,966.60, 15,134.28 and 6,186.49

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Solution

The fourth proportional to 10,966.60, 15,134.28 and 6,186.49 is: 8,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.60 : 15,134.28 = 6,186.49 : x
  2. Step 2: Convert to fraction form
    10,966.60/15,134.28 = 6,186.49/x
  3. Step 3: Cross multiply
    10,966.60x = 15,134.28 × 6,186.49
  4. Step 4: Simplify right side
    10,966.60x = 93,628,071.88
  5. Step 5: Solve for x
    x = 93,628,071.88/10,966.60
  6. Step 6: Final answer
    x = 8,537.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.