Home / 15,781.19-23,703.30-9,868.59

Finding the Fourth Proportional to 15,781.19, 23,703.30 and 9,868.59

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Solution

The fourth proportional to 15,781.19, 23,703.30 and 9,868.59 is: 14,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.19 : 23,703.30 = 9,868.59 : x
  2. Step 2: Convert to fraction form
    15,781.19/23,703.30 = 9,868.59/x
  3. Step 3: Cross multiply
    15,781.19x = 23,703.30 × 9,868.59
  4. Step 4: Simplify right side
    15,781.19x = 233,918,149.35
  5. Step 5: Solve for x
    x = 233,918,149.35/15,781.19
  6. Step 6: Final answer
    x = 14,822.60

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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.