Home / 15,420.47-23,132.15-4,327.11

Finding the Fourth Proportional to 15,420.47, 23,132.15 and 4,327.11

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Solution

The fourth proportional to 15,420.47, 23,132.15 and 4,327.11 is: 6,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420.47 : 23,132.15 = 4,327.11 : x
  2. Step 2: Convert to fraction form
    15,420.47/23,132.15 = 4,327.11/x
  3. Step 3: Cross multiply
    15,420.47x = 23,132.15 × 4,327.11
  4. Step 4: Simplify right side
    15,420.47x = 100,095,357.59
  5. Step 5: Solve for x
    x = 100,095,357.59/15,420.47
  6. Step 6: Final answer
    x = 6,491.07

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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.