Home / 16,390.80-24,521.40-14,223.60

Finding the Fourth Proportional to 16,390.80, 24,521.40 and 14,223.60

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Solution

The fourth proportional to 16,390.80, 24,521.40 and 14,223.60 is: 21,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.80 : 24,521.40 = 14,223.60 : x
  2. Step 2: Convert to fraction form
    16,390.80/24,521.40 = 14,223.60/x
  3. Step 3: Cross multiply
    16,390.80x = 24,521.40 × 14,223.60
  4. Step 4: Simplify right side
    16,390.80x = 348,782,585.04
  5. Step 5: Solve for x
    x = 348,782,585.04/16,390.80
  6. Step 6: Final answer
    x = 21,279.17

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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.