Home / 21,557.56-32,347.20-9,873.52

Finding the Fourth Proportional to 21,557.56, 32,347.20 and 9,873.52

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Solution

The fourth proportional to 21,557.56, 32,347.20 and 9,873.52 is: 14,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557.56 : 32,347.20 = 9,873.52 : x
  2. Step 2: Convert to fraction form
    21,557.56/32,347.20 = 9,873.52/x
  3. Step 3: Cross multiply
    21,557.56x = 32,347.20 × 9,873.52
  4. Step 4: Simplify right side
    21,557.56x = 319,380,726.14
  5. Step 5: Solve for x
    x = 319,380,726.14/21,557.56
  6. Step 6: Final answer
    x = 14,815.25

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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.