Home / 10,397.28-14,349.04-5,921.22

Finding the Fourth Proportional to 10,397.28, 14,349.04 and 5,921.22

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Solution

The fourth proportional to 10,397.28, 14,349.04 and 5,921.22 is: 8,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.28 : 14,349.04 = 5,921.22 : x
  2. Step 2: Convert to fraction form
    10,397.28/14,349.04 = 5,921.22/x
  3. Step 3: Cross multiply
    10,397.28x = 14,349.04 × 5,921.22
  4. Step 4: Simplify right side
    10,397.28x = 84,963,822.63
  5. Step 5: Solve for x
    x = 84,963,822.63/10,397.28
  6. Step 6: Final answer
    x = 8,171.74

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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.