Home / 15,240.90-22,861.95-5,378.76

Finding the Fourth Proportional to 15,240.90, 22,861.95 and 5,378.76

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Solution

The fourth proportional to 15,240.90, 22,861.95 and 5,378.76 is: 8,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.90 : 22,861.95 = 5,378.76 : x
  2. Step 2: Convert to fraction form
    15,240.90/22,861.95 = 5,378.76/x
  3. Step 3: Cross multiply
    15,240.90x = 22,861.95 × 5,378.76
  4. Step 4: Simplify right side
    15,240.90x = 122,968,942.18
  5. Step 5: Solve for x
    x = 122,968,942.18/15,240.90
  6. Step 6: Final answer
    x = 8,068.35

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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.