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Finding the Fourth Proportional to 10,059.54, 13,881.90 and 5,583.28

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Solution

The fourth proportional to 10,059.54, 13,881.90 and 5,583.28 is: 7,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059.54 : 13,881.90 = 5,583.28 : x
  2. Step 2: Convert to fraction form
    10,059.54/13,881.90 = 5,583.28/x
  3. Step 3: Cross multiply
    10,059.54x = 13,881.90 × 5,583.28
  4. Step 4: Simplify right side
    10,059.54x = 77,506,534.63
  5. Step 5: Solve for x
    x = 77,506,534.63/10,059.54
  6. Step 6: Final answer
    x = 7,704.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.