Home / 10,387.44-14,337.36-5,913.72

Finding the Fourth Proportional to 10,387.44, 14,337.36 and 5,913.72

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Solution

The fourth proportional to 10,387.44, 14,337.36 and 5,913.72 is: 8,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.44 : 14,337.36 = 5,913.72 : x
  2. Step 2: Convert to fraction form
    10,387.44/14,337.36 = 5,913.72/x
  3. Step 3: Cross multiply
    10,387.44x = 14,337.36 × 5,913.72
  4. Step 4: Simplify right side
    10,387.44x = 84,787,132.58
  5. Step 5: Solve for x
    x = 84,787,132.58/10,387.44
  6. Step 6: Final answer
    x = 8,162.47

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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.