Home / 16,988.85-23,442.93-9,434.79

Finding the Fourth Proportional to 16,988.85, 23,442.93 and 9,434.79

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Solution

The fourth proportional to 16,988.85, 23,442.93 and 9,434.79 is: 13,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.85 : 23,442.93 = 9,434.79 : x
  2. Step 2: Convert to fraction form
    16,988.85/23,442.93 = 9,434.79/x
  3. Step 3: Cross multiply
    16,988.85x = 23,442.93 × 9,434.79
  4. Step 4: Simplify right side
    16,988.85x = 221,179,121.53
  5. Step 5: Solve for x
    x = 221,179,121.53/16,988.85
  6. Step 6: Final answer
    x = 13,019.08

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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.