Home / 15,740.88-23,569.20-12,329.52

Finding the Fourth Proportional to 15,740.88, 23,569.20 and 12,329.52

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Solution

The fourth proportional to 15,740.88, 23,569.20 and 12,329.52 is: 18,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.88 : 23,569.20 = 12,329.52 : x
  2. Step 2: Convert to fraction form
    15,740.88/23,569.20 = 12,329.52/x
  3. Step 3: Cross multiply
    15,740.88x = 23,569.20 × 12,329.52
  4. Step 4: Simplify right side
    15,740.88x = 290,596,922.78
  5. Step 5: Solve for x
    x = 290,596,922.78/15,740.88
  6. Step 6: Final answer
    x = 18,461.29

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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.