Home / 15,583.68-23,320.80-13,418.52

Finding the Fourth Proportional to 15,583.68, 23,320.80 and 13,418.52

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Solution

The fourth proportional to 15,583.68, 23,320.80 and 13,418.52 is: 20,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.68 : 23,320.80 = 13,418.52 : x
  2. Step 2: Convert to fraction form
    15,583.68/23,320.80 = 13,418.52/x
  3. Step 3: Cross multiply
    15,583.68x = 23,320.80 × 13,418.52
  4. Step 4: Simplify right side
    15,583.68x = 312,930,621.22
  5. Step 5: Solve for x
    x = 312,930,621.22/15,583.68
  6. Step 6: Final answer
    x = 20,080.66

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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.