Home / 15,120.49-22,691.06-5,259.67

Finding the Fourth Proportional to 15,120.49, 22,691.06 and 5,259.67

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Solution

The fourth proportional to 15,120.49, 22,691.06 and 5,259.67 is: 7,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120.49 : 22,691.06 = 5,259.67 : x
  2. Step 2: Convert to fraction form
    15,120.49/22,691.06 = 5,259.67/x
  3. Step 3: Cross multiply
    15,120.49x = 22,691.06 × 5,259.67
  4. Step 4: Simplify right side
    15,120.49x = 119,347,487.55
  5. Step 5: Solve for x
    x = 119,347,487.55/15,120.49
  6. Step 6: Final answer
    x = 7,893.10

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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.