Home / 23,470.78-32,390.44-12,861.10

Finding the Fourth Proportional to 23,470.78, 32,390.44 and 12,861.10

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Solution

The fourth proportional to 23,470.78, 32,390.44 and 12,861.10 is: 17,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,470.78 : 32,390.44 = 12,861.10 : x
  2. Step 2: Convert to fraction form
    23,470.78/32,390.44 = 12,861.10/x
  3. Step 3: Cross multiply
    23,470.78x = 32,390.44 × 12,861.10
  4. Step 4: Simplify right side
    23,470.78x = 416,576,574.76
  5. Step 5: Solve for x
    x = 416,576,574.76/23,470.78
  6. Step 6: Final answer
    x = 17,748.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.