Home / 12,475.59-18,711.24-4,154.67

Finding the Fourth Proportional to 12,475.59, 18,711.24 and 4,154.67

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Solution

The fourth proportional to 12,475.59, 18,711.24 and 4,154.67 is: 6,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.59 : 18,711.24 = 4,154.67 : x
  2. Step 2: Convert to fraction form
    12,475.59/18,711.24 = 4,154.67/x
  3. Step 3: Cross multiply
    12,475.59x = 18,711.24 × 4,154.67
  4. Step 4: Simplify right side
    12,475.59x = 77,739,027.49
  5. Step 5: Solve for x
    x = 77,739,027.49/12,475.59
  6. Step 6: Final answer
    x = 6,231.29

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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.