Home / 13,250.52-18,283.66-8,474.74

Finding the Fourth Proportional to 13,250.52, 18,283.66 and 8,474.74

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Solution

The fourth proportional to 13,250.52, 18,283.66 and 8,474.74 is: 11,693.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.52 : 18,283.66 = 8,474.74 : x
  2. Step 2: Convert to fraction form
    13,250.52/18,283.66 = 8,474.74/x
  3. Step 3: Cross multiply
    13,250.52x = 18,283.66 × 8,474.74
  4. Step 4: Simplify right side
    13,250.52x = 154,949,259.32
  5. Step 5: Solve for x
    x = 154,949,259.32/13,250.52
  6. Step 6: Final answer
    x = 11,693.82

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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.