Home / 15,435.64-23,155.92-5,577.36

Finding the Fourth Proportional to 15,435.64, 23,155.92 and 5,577.36

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Solution

The fourth proportional to 15,435.64, 23,155.92 and 5,577.36 is: 8,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.64 : 23,155.92 = 5,577.36 : x
  2. Step 2: Convert to fraction form
    15,435.64/23,155.92 = 5,577.36/x
  3. Step 3: Cross multiply
    15,435.64x = 23,155.92 × 5,577.36
  4. Step 4: Simplify right side
    15,435.64x = 129,148,901.97
  5. Step 5: Solve for x
    x = 129,148,901.97/15,435.64
  6. Step 6: Final answer
    x = 8,366.93

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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.