Home / 18,328.87-25,278.24-12,352.69

Finding the Fourth Proportional to 18,328.87, 25,278.24 and 12,352.69

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Solution

The fourth proportional to 18,328.87, 25,278.24 and 12,352.69 is: 17,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.87 : 25,278.24 = 12,352.69 : x
  2. Step 2: Convert to fraction form
    18,328.87/25,278.24 = 12,352.69/x
  3. Step 3: Cross multiply
    18,328.87x = 25,278.24 × 12,352.69
  4. Step 4: Simplify right side
    18,328.87x = 312,254,262.47
  5. Step 5: Solve for x
    x = 312,254,262.47/18,328.87
  6. Step 6: Final answer
    x = 17,036.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.