Home / 15,980.18-23,959.89-6,617.66

Finding the Fourth Proportional to 15,980.18, 23,959.89 and 6,617.66

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Solution

The fourth proportional to 15,980.18, 23,959.89 and 6,617.66 is: 9,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.18 : 23,959.89 = 6,617.66 : x
  2. Step 2: Convert to fraction form
    15,980.18/23,959.89 = 6,617.66/x
  3. Step 3: Cross multiply
    15,980.18x = 23,959.89 × 6,617.66
  4. Step 4: Simplify right side
    15,980.18x = 158,558,405.66
  5. Step 5: Solve for x
    x = 158,558,405.66/15,980.18
  6. Step 6: Final answer
    x = 9,922.19

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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.