Home / 9,439.54-14,139.87-5,534.53

Finding the Fourth Proportional to 9,439.54, 14,139.87 and 5,534.53

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Solution

The fourth proportional to 9,439.54, 14,139.87 and 5,534.53 is: 8,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.54 : 14,139.87 = 5,534.53 : x
  2. Step 2: Convert to fraction form
    9,439.54/14,139.87 = 5,534.53/x
  3. Step 3: Cross multiply
    9,439.54x = 14,139.87 × 5,534.53
  4. Step 4: Simplify right side
    9,439.54x = 78,257,552.39
  5. Step 5: Solve for x
    x = 78,257,552.39/9,439.54
  6. Step 6: Final answer
    x = 8,290.40

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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.