Home / 18,187.52-27,281.64-9,416.72

Finding the Fourth Proportional to 18,187.52, 27,281.64 and 9,416.72

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Solution

The fourth proportional to 18,187.52, 27,281.64 and 9,416.72 is: 14,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.52 : 27,281.64 = 9,416.72 : x
  2. Step 2: Convert to fraction form
    18,187.52/27,281.64 = 9,416.72/x
  3. Step 3: Cross multiply
    18,187.52x = 27,281.64 × 9,416.72
  4. Step 4: Simplify right side
    18,187.52x = 256,903,565.02
  5. Step 5: Solve for x
    x = 256,903,565.02/18,187.52
  6. Step 6: Final answer
    x = 14,125.27

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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.