Home / 10,323.64-15,490.32-6,425.92

Finding the Fourth Proportional to 10,323.64, 15,490.32 and 6,425.92

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Solution

The fourth proportional to 10,323.64, 15,490.32 and 6,425.92 is: 9,641.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.64 : 15,490.32 = 6,425.92 : x
  2. Step 2: Convert to fraction form
    10,323.64/15,490.32 = 6,425.92/x
  3. Step 3: Cross multiply
    10,323.64x = 15,490.32 × 6,425.92
  4. Step 4: Simplify right side
    10,323.64x = 99,539,557.09
  5. Step 5: Solve for x
    x = 99,539,557.09/10,323.64
  6. Step 6: Final answer
    x = 9,641.91

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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.