Home / 16,386.20-24,608.10-15,867.80

Finding the Fourth Proportional to 16,386.20, 24,608.10 and 15,867.80

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Solution

The fourth proportional to 16,386.20, 24,608.10 and 15,867.80 is: 23,829.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,386.20 : 24,608.10 = 15,867.80 : x
  2. Step 2: Convert to fraction form
    16,386.20/24,608.10 = 15,867.80/x
  3. Step 3: Cross multiply
    16,386.20x = 24,608.10 × 15,867.80
  4. Step 4: Simplify right side
    16,386.20x = 390,476,409.18
  5. Step 5: Solve for x
    x = 390,476,409.18/16,386.20
  6. Step 6: Final answer
    x = 23,829.59

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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.