Home / 15,989.55-22,065.33-9,276.31

Finding the Fourth Proportional to 15,989.55, 22,065.33 and 9,276.31

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Solution

The fourth proportional to 15,989.55, 22,065.33 and 9,276.31 is: 12,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.55 : 22,065.33 = 9,276.31 : x
  2. Step 2: Convert to fraction form
    15,989.55/22,065.33 = 9,276.31/x
  3. Step 3: Cross multiply
    15,989.55x = 22,065.33 × 9,276.31
  4. Step 4: Simplify right side
    15,989.55x = 204,684,841.33
  5. Step 5: Solve for x
    x = 204,684,841.33/15,989.55
  6. Step 6: Final answer
    x = 12,801.16

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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.