Home / 12,549.32-18,825.14-8,957.93

Finding the Fourth Proportional to 12,549.32, 18,825.14 and 8,957.93

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Solution

The fourth proportional to 12,549.32, 18,825.14 and 8,957.93 is: 13,437.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.32 : 18,825.14 = 8,957.93 : x
  2. Step 2: Convert to fraction form
    12,549.32/18,825.14 = 8,957.93/x
  3. Step 3: Cross multiply
    12,549.32x = 18,825.14 × 8,957.93
  4. Step 4: Simplify right side
    12,549.32x = 168,634,286.36
  5. Step 5: Solve for x
    x = 168,634,286.36/12,549.32
  6. Step 6: Final answer
    x = 13,437.72

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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.