Home / 15,191.19-20,958.26-9,526.19

Finding the Fourth Proportional to 15,191.19, 20,958.26 and 9,526.19

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Solution

The fourth proportional to 15,191.19, 20,958.26 and 9,526.19 is: 13,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191.19 : 20,958.26 = 9,526.19 : x
  2. Step 2: Convert to fraction form
    15,191.19/20,958.26 = 9,526.19/x
  3. Step 3: Cross multiply
    15,191.19x = 20,958.26 × 9,526.19
  4. Step 4: Simplify right side
    15,191.19x = 199,652,214.41
  5. Step 5: Solve for x
    x = 199,652,214.41/15,191.19
  6. Step 6: Final answer
    x = 13,142.63

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Half scale
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Double scale
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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.