Home / 15,648.04-23,332.48-13,909.37

Finding the Fourth Proportional to 15,648.04, 23,332.48 and 13,909.37

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Solution

The fourth proportional to 15,648.04, 23,332.48 and 13,909.37 is: 20,739.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.04 : 23,332.48 = 13,909.37 : x
  2. Step 2: Convert to fraction form
    15,648.04/23,332.48 = 13,909.37/x
  3. Step 3: Cross multiply
    15,648.04x = 23,332.48 × 13,909.37
  4. Step 4: Simplify right side
    15,648.04x = 324,540,116.27
  5. Step 5: Solve for x
    x = 324,540,116.27/15,648.04
  6. Step 6: Final answer
    x = 20,739.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.