Home / 23,254.40-34,823.28-12,121.76

Finding the Fourth Proportional to 23,254.40, 34,823.28 and 12,121.76

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Solution

The fourth proportional to 23,254.40, 34,823.28 and 12,121.76 is: 18,152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,254.40 : 34,823.28 = 12,121.76 : x
  2. Step 2: Convert to fraction form
    23,254.40/34,823.28 = 12,121.76/x
  3. Step 3: Cross multiply
    23,254.40x = 34,823.28 × 12,121.76
  4. Step 4: Simplify right side
    23,254.40x = 422,119,442.57
  5. Step 5: Solve for x
    x = 422,119,442.57/23,254.40
  6. Step 6: Final answer
    x = 18,152.24

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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.