Home / 16,442.60-22,688.30-10,479.38

Finding the Fourth Proportional to 16,442.60, 22,688.30 and 10,479.38

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Solution

The fourth proportional to 16,442.60, 22,688.30 and 10,479.38 is: 14,459.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442.60 : 22,688.30 = 10,479.38 : x
  2. Step 2: Convert to fraction form
    16,442.60/22,688.30 = 10,479.38/x
  3. Step 3: Cross multiply
    16,442.60x = 22,688.30 × 10,479.38
  4. Step 4: Simplify right side
    16,442.60x = 237,759,230.01
  5. Step 5: Solve for x
    x = 237,759,230.01/16,442.60
  6. Step 6: Final answer
    x = 14,459.96

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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.