Home / 12,458.40-18,687.20-5,060.67

Finding the Fourth Proportional to 12,458.40, 18,687.20 and 5,060.67

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Solution

The fourth proportional to 12,458.40, 18,687.20 and 5,060.67 is: 7,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.40 : 18,687.20 = 5,060.67 : x
  2. Step 2: Convert to fraction form
    12,458.40/18,687.20 = 5,060.67/x
  3. Step 3: Cross multiply
    12,458.40x = 18,687.20 × 5,060.67
  4. Step 4: Simplify right side
    12,458.40x = 94,569,727.12
  5. Step 5: Solve for x
    x = 94,569,727.12/12,458.40
  6. Step 6: Final answer
    x = 7,590.84

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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.