Home / 21,356.30-32,034.96-6,565.35

Finding the Fourth Proportional to 21,356.30, 32,034.96 and 6,565.35

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Solution

The fourth proportional to 21,356.30, 32,034.96 and 6,565.35 is: 9,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356.30 : 32,034.96 = 6,565.35 : x
  2. Step 2: Convert to fraction form
    21,356.30/32,034.96 = 6,565.35/x
  3. Step 3: Cross multiply
    21,356.30x = 32,034.96 × 6,565.35
  4. Step 4: Simplify right side
    21,356.30x = 210,320,724.64
  5. Step 5: Solve for x
    x = 210,320,724.64/21,356.30
  6. Step 6: Final answer
    x = 9,848.18

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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.