Home / 16,689.12-23,031.06-9,237.12

Finding the Fourth Proportional to 16,689.12, 23,031.06 and 9,237.12

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Solution

The fourth proportional to 16,689.12, 23,031.06 and 9,237.12 is: 12,747.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.12 : 23,031.06 = 9,237.12 : x
  2. Step 2: Convert to fraction form
    16,689.12/23,031.06 = 9,237.12/x
  3. Step 3: Cross multiply
    16,689.12x = 23,031.06 × 9,237.12
  4. Step 4: Simplify right side
    16,689.12x = 212,740,664.95
  5. Step 5: Solve for x
    x = 212,740,664.95/16,689.12
  6. Step 6: Final answer
    x = 12,747.27

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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.