Home / 11,657.61-16,087.50-6,877.62

Finding the Fourth Proportional to 11,657.61, 16,087.50 and 6,877.62

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Solution

The fourth proportional to 11,657.61, 16,087.50 and 6,877.62 is: 9,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.61 : 16,087.50 = 6,877.62 : x
  2. Step 2: Convert to fraction form
    11,657.61/16,087.50 = 6,877.62/x
  3. Step 3: Cross multiply
    11,657.61x = 16,087.50 × 6,877.62
  4. Step 4: Simplify right side
    11,657.61x = 110,643,711.75
  5. Step 5: Solve for x
    x = 110,643,711.75/11,657.61
  6. Step 6: Final answer
    x = 9,491.11

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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.