Home / 23,178.20-34,763.60-7,381.18

Finding the Fourth Proportional to 23,178.20, 34,763.60 and 7,381.18

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Solution

The fourth proportional to 23,178.20, 34,763.60 and 7,381.18 is: 11,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.20 : 34,763.60 = 7,381.18 : x
  2. Step 2: Convert to fraction form
    23,178.20/34,763.60 = 7,381.18/x
  3. Step 3: Cross multiply
    23,178.20x = 34,763.60 × 7,381.18
  4. Step 4: Simplify right side
    23,178.20x = 256,596,389.05
  5. Step 5: Solve for x
    x = 256,596,389.05/23,178.20
  6. Step 6: Final answer
    x = 11,070.59

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Double scale
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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.