Home / 38,307.20-57,460.92-12,009.68

Finding the Fourth Proportional to 38,307.20, 57,460.92 and 12,009.68

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Solution

The fourth proportional to 38,307.20, 57,460.92 and 12,009.68 is: 18,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307.20 : 57,460.92 = 12,009.68 : x
  2. Step 2: Convert to fraction form
    38,307.20/57,460.92 = 12,009.68/x
  3. Step 3: Cross multiply
    38,307.20x = 57,460.92 × 12,009.68
  4. Step 4: Simplify right side
    38,307.20x = 690,087,261.71
  5. Step 5: Solve for x
    x = 690,087,261.71/38,307.20
  6. Step 6: Final answer
    x = 18,014.56

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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.