Home / 15,850.61-21,872.30-9,475.93

Finding the Fourth Proportional to 15,850.61, 21,872.30 and 9,475.93

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Solution

The fourth proportional to 15,850.61, 21,872.30 and 9,475.93 is: 13,075.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.61 : 21,872.30 = 9,475.93 : x
  2. Step 2: Convert to fraction form
    15,850.61/21,872.30 = 9,475.93/x
  3. Step 3: Cross multiply
    15,850.61x = 21,872.30 × 9,475.93
  4. Step 4: Simplify right side
    15,850.61x = 207,260,383.74
  5. Step 5: Solve for x
    x = 207,260,383.74/15,850.61
  6. Step 6: Final answer
    x = 13,075.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.