Home / 15,766.57-23,649.86-5,903.20

Finding the Fourth Proportional to 15,766.57, 23,649.86 and 5,903.20

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Solution

The fourth proportional to 15,766.57, 23,649.86 and 5,903.20 is: 8,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766.57 : 23,649.86 = 5,903.20 : x
  2. Step 2: Convert to fraction form
    15,766.57/23,649.86 = 5,903.20/x
  3. Step 3: Cross multiply
    15,766.57x = 23,649.86 × 5,903.20
  4. Step 4: Simplify right side
    15,766.57x = 139,609,905.30
  5. Step 5: Solve for x
    x = 139,609,905.30/15,766.57
  6. Step 6: Final answer
    x = 8,854.80

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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.