Home / 15,154.95-22,735.50-6,389.85

Finding the Fourth Proportional to 15,154.95, 22,735.50 and 6,389.85

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Solution

The fourth proportional to 15,154.95, 22,735.50 and 6,389.85 is: 9,586.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,154.95 : 22,735.50 = 6,389.85 : x
  2. Step 2: Convert to fraction form
    15,154.95/22,735.50 = 6,389.85/x
  3. Step 3: Cross multiply
    15,154.95x = 22,735.50 × 6,389.85
  4. Step 4: Simplify right side
    15,154.95x = 145,276,434.68
  5. Step 5: Solve for x
    x = 145,276,434.68/15,154.95
  6. Step 6: Final answer
    x = 9,586.07

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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.