Home / 15,408.90-23,099.28-5,545.92

Finding the Fourth Proportional to 15,408.90, 23,099.28 and 5,545.92

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Solution

The fourth proportional to 15,408.90, 23,099.28 and 5,545.92 is: 8,313.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.90 : 23,099.28 = 5,545.92 : x
  2. Step 2: Convert to fraction form
    15,408.90/23,099.28 = 5,545.92/x
  3. Step 3: Cross multiply
    15,408.90x = 23,099.28 × 5,545.92
  4. Step 4: Simplify right side
    15,408.90x = 128,106,758.94
  5. Step 5: Solve for x
    x = 128,106,758.94/15,408.90
  6. Step 6: Final answer
    x = 8,313.82

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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.