Home / 15,323.80-22,985.68-13,399.24

Finding the Fourth Proportional to 15,323.80, 22,985.68 and 13,399.24

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Solution

The fourth proportional to 15,323.80, 22,985.68 and 13,399.24 is: 20,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.80 : 22,985.68 = 13,399.24 : x
  2. Step 2: Convert to fraction form
    15,323.80/22,985.68 = 13,399.24/x
  3. Step 3: Cross multiply
    15,323.80x = 22,985.68 × 13,399.24
  4. Step 4: Simplify right side
    15,323.80x = 307,990,642.88
  5. Step 5: Solve for x
    x = 307,990,642.88/15,323.80
  6. Step 6: Final answer
    x = 20,098.84

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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.