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Finding the Fourth Proportional to 14,587.60, 21,897.60 and 9,047.20

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Solution

The fourth proportional to 14,587.60, 21,897.60 and 9,047.20 is: 13,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.60 : 21,897.60 = 9,047.20 : x
  2. Step 2: Convert to fraction form
    14,587.60/21,897.60 = 9,047.20/x
  3. Step 3: Cross multiply
    14,587.60x = 21,897.60 × 9,047.20
  4. Step 4: Simplify right side
    14,587.60x = 198,111,966.72
  5. Step 5: Solve for x
    x = 198,111,966.72/14,587.60
  6. Step 6: Final answer
    x = 13,580.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.