Home / 11,089.88-16,641.21-6,159.11

Finding the Fourth Proportional to 11,089.88, 16,641.21 and 6,159.11

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Solution

The fourth proportional to 11,089.88, 16,641.21 and 6,159.11 is: 9,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.88 : 16,641.21 = 6,159.11 : x
  2. Step 2: Convert to fraction form
    11,089.88/16,641.21 = 6,159.11/x
  3. Step 3: Cross multiply
    11,089.88x = 16,641.21 × 6,159.11
  4. Step 4: Simplify right side
    11,089.88x = 102,495,041.78
  5. Step 5: Solve for x
    x = 102,495,041.78/11,089.88
  6. Step 6: Final answer
    x = 9,242.21

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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.