Home / 18,402.48-27,595.40-5,251.72

Finding the Fourth Proportional to 18,402.48, 27,595.40 and 5,251.72

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Solution

The fourth proportional to 18,402.48, 27,595.40 and 5,251.72 is: 7,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.48 : 27,595.40 = 5,251.72 : x
  2. Step 2: Convert to fraction form
    18,402.48/27,595.40 = 5,251.72/x
  3. Step 3: Cross multiply
    18,402.48x = 27,595.40 × 5,251.72
  4. Step 4: Simplify right side
    18,402.48x = 144,923,314.09
  5. Step 5: Solve for x
    x = 144,923,314.09/18,402.48
  6. Step 6: Final answer
    x = 7,875.21

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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.