Home / 16,511.52-24,764.76-5,419.32

Finding the Fourth Proportional to 16,511.52, 24,764.76 and 5,419.32

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Solution

The fourth proportional to 16,511.52, 24,764.76 and 5,419.32 is: 8,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.52 : 24,764.76 = 5,419.32 : x
  2. Step 2: Convert to fraction form
    16,511.52/24,764.76 = 5,419.32/x
  3. Step 3: Cross multiply
    16,511.52x = 24,764.76 × 5,419.32
  4. Step 4: Simplify right side
    16,511.52x = 134,208,159.16
  5. Step 5: Solve for x
    x = 134,208,159.16/16,511.52
  6. Step 6: Final answer
    x = 8,128.15

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1.5x scale

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.