Home / 16,987.98-23,442.62-9,434.80

Finding the Fourth Proportional to 16,987.98, 23,442.62 and 9,434.80

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Solution

The fourth proportional to 16,987.98, 23,442.62 and 9,434.80 is: 13,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.98 : 23,442.62 = 9,434.80 : x
  2. Step 2: Convert to fraction form
    16,987.98/23,442.62 = 9,434.80/x
  3. Step 3: Cross multiply
    16,987.98x = 23,442.62 × 9,434.80
  4. Step 4: Simplify right side
    16,987.98x = 221,176,431.18
  5. Step 5: Solve for x
    x = 221,176,431.18/16,987.98
  6. Step 6: Final answer
    x = 13,019.58

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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.