Home / 15,301.70-22,940.40-8,376.20

Finding the Fourth Proportional to 15,301.70, 22,940.40 and 8,376.20

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Solution

The fourth proportional to 15,301.70, 22,940.40 and 8,376.20 is: 12,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301.70 : 22,940.40 = 8,376.20 : x
  2. Step 2: Convert to fraction form
    15,301.70/22,940.40 = 8,376.20/x
  3. Step 3: Cross multiply
    15,301.70x = 22,940.40 × 8,376.20
  4. Step 4: Simplify right side
    15,301.70x = 192,153,378.48
  5. Step 5: Solve for x
    x = 192,153,378.48/15,301.70
  6. Step 6: Final answer
    x = 12,557.65

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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.