Home / 10,929.64-16,397.94-4,607.86

Finding the Fourth Proportional to 10,929.64, 16,397.94 and 4,607.86

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Solution

The fourth proportional to 10,929.64, 16,397.94 and 4,607.86 is: 6,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.64 : 16,397.94 = 4,607.86 : x
  2. Step 2: Convert to fraction form
    10,929.64/16,397.94 = 4,607.86/x
  3. Step 3: Cross multiply
    10,929.64x = 16,397.94 × 4,607.86
  4. Step 4: Simplify right side
    10,929.64x = 75,559,411.81
  5. Step 5: Solve for x
    x = 75,559,411.81/10,929.64
  6. Step 6: Final answer
    x = 6,913.26

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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.