Home / 12,557.68-18,842.72-8,883.52

Finding the Fourth Proportional to 12,557.68, 18,842.72 and 8,883.52

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Solution

The fourth proportional to 12,557.68, 18,842.72 and 8,883.52 is: 13,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.68 : 18,842.72 = 8,883.52 : x
  2. Step 2: Convert to fraction form
    12,557.68/18,842.72 = 8,883.52/x
  3. Step 3: Cross multiply
    12,557.68x = 18,842.72 × 8,883.52
  4. Step 4: Simplify right side
    12,557.68x = 167,389,679.97
  5. Step 5: Solve for x
    x = 167,389,679.97/12,557.68
  6. Step 6: Final answer
    x = 13,329.67

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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.