Home / 15,801.40-23,737.30-13,209.40

Finding the Fourth Proportional to 15,801.40, 23,737.30 and 13,209.40

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Solution

The fourth proportional to 15,801.40, 23,737.30 and 13,209.40 is: 19,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,801.40 : 23,737.30 = 13,209.40 : x
  2. Step 2: Convert to fraction form
    15,801.40/23,737.30 = 13,209.40/x
  3. Step 3: Cross multiply
    15,801.40x = 23,737.30 × 13,209.40
  4. Step 4: Simplify right side
    15,801.40x = 313,555,490.62
  5. Step 5: Solve for x
    x = 313,555,490.62/15,801.40
  6. Step 6: Final answer
    x = 19,843.53

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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.