Home / 15,728.84-23,618.34-9,159.80

Finding the Fourth Proportional to 15,728.84, 23,618.34 and 9,159.80

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Solution

The fourth proportional to 15,728.84, 23,618.34 and 9,159.80 is: 13,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.84 : 23,618.34 = 9,159.80 : x
  2. Step 2: Convert to fraction form
    15,728.84/23,618.34 = 9,159.80/x
  3. Step 3: Cross multiply
    15,728.84x = 23,618.34 × 9,159.80
  4. Step 4: Simplify right side
    15,728.84x = 216,339,270.73
  5. Step 5: Solve for x
    x = 216,339,270.73/15,728.84
  6. Step 6: Final answer
    x = 13,754.31

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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.