Home / 11,254.50-15,534.45-7,528.50

Finding the Fourth Proportional to 11,254.50, 15,534.45 and 7,528.50

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Solution

The fourth proportional to 11,254.50, 15,534.45 and 7,528.50 is: 10,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.50 : 15,534.45 = 7,528.50 : x
  2. Step 2: Convert to fraction form
    11,254.50/15,534.45 = 7,528.50/x
  3. Step 3: Cross multiply
    11,254.50x = 15,534.45 × 7,528.50
  4. Step 4: Simplify right side
    11,254.50x = 116,951,106.83
  5. Step 5: Solve for x
    x = 116,951,106.83/11,254.50
  6. Step 6: Final answer
    x = 10,391.50

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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.