Home / 10,434.28-14,398.74-5,717.68

Finding the Fourth Proportional to 10,434.28, 14,398.74 and 5,717.68

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Solution

The fourth proportional to 10,434.28, 14,398.74 and 5,717.68 is: 7,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.28 : 14,398.74 = 5,717.68 : x
  2. Step 2: Convert to fraction form
    10,434.28/14,398.74 = 5,717.68/x
  3. Step 3: Cross multiply
    10,434.28x = 14,398.74 × 5,717.68
  4. Step 4: Simplify right side
    10,434.28x = 82,327,387.72
  5. Step 5: Solve for x
    x = 82,327,387.72/10,434.28
  6. Step 6: Final answer
    x = 7,890.09

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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.