Home / 11,117.59-16,657.86-7,823.76

Finding the Fourth Proportional to 11,117.59, 16,657.86 and 7,823.76

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Solution

The fourth proportional to 11,117.59, 16,657.86 and 7,823.76 is: 11,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.59 : 16,657.86 = 7,823.76 : x
  2. Step 2: Convert to fraction form
    11,117.59/16,657.86 = 7,823.76/x
  3. Step 3: Cross multiply
    11,117.59x = 16,657.86 × 7,823.76
  4. Step 4: Simplify right side
    11,117.59x = 130,327,098.75
  5. Step 5: Solve for x
    x = 130,327,098.75/11,117.59
  6. Step 6: Final answer
    x = 11,722.60

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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.