Home / 15,618.83-23,420.04-10,689.87

Finding the Fourth Proportional to 15,618.83, 23,420.04 and 10,689.87

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Solution

The fourth proportional to 15,618.83, 23,420.04 and 10,689.87 is: 16,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.83 : 23,420.04 = 10,689.87 : x
  2. Step 2: Convert to fraction form
    15,618.83/23,420.04 = 10,689.87/x
  3. Step 3: Cross multiply
    15,618.83x = 23,420.04 × 10,689.87
  4. Step 4: Simplify right side
    15,618.83x = 250,357,230.73
  5. Step 5: Solve for x
    x = 250,357,230.73/15,618.83
  6. Step 6: Final answer
    x = 16,029.20

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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.