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Finding the Fourth Proportional to 21,584.93, 32,366.30 and 9,888.12

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Solution

The fourth proportional to 21,584.93, 32,366.30 and 9,888.12 is: 14,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.93 : 32,366.30 = 9,888.12 : x
  2. Step 2: Convert to fraction form
    21,584.93/32,366.30 = 9,888.12/x
  3. Step 3: Cross multiply
    21,584.93x = 32,366.30 × 9,888.12
  4. Step 4: Simplify right side
    21,584.93x = 320,041,808.92
  5. Step 5: Solve for x
    x = 320,041,808.92/21,584.93
  6. Step 6: Final answer
    x = 14,827.10

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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.