Home / 16,407.69-22,622.86-11,376.24

Finding the Fourth Proportional to 16,407.69, 22,622.86 and 11,376.24

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Solution

The fourth proportional to 16,407.69, 22,622.86 and 11,376.24 is: 15,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,407.69 : 22,622.86 = 11,376.24 : x
  2. Step 2: Convert to fraction form
    16,407.69/22,622.86 = 11,376.24/x
  3. Step 3: Cross multiply
    16,407.69x = 22,622.86 × 11,376.24
  4. Step 4: Simplify right side
    16,407.69x = 257,363,084.85
  5. Step 5: Solve for x
    x = 257,363,084.85/16,407.69
  6. Step 6: Final answer
    x = 15,685.52

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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.