Home / 10,931.19-16,397.29-3,536.22

Finding the Fourth Proportional to 10,931.19, 16,397.29 and 3,536.22

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Solution

The fourth proportional to 10,931.19, 16,397.29 and 3,536.22 is: 5,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931.19 : 16,397.29 = 3,536.22 : x
  2. Step 2: Convert to fraction form
    10,931.19/16,397.29 = 3,536.22/x
  3. Step 3: Cross multiply
    10,931.19x = 16,397.29 × 3,536.22
  4. Step 4: Simplify right side
    10,931.19x = 57,984,407.16
  5. Step 5: Solve for x
    x = 57,984,407.16/10,931.19
  6. Step 6: Final answer
    x = 5,304.49

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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.