Home / 11,803.18-17,688.25-8,878.06

Finding the Fourth Proportional to 11,803.18, 17,688.25 and 8,878.06

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Solution

The fourth proportional to 11,803.18, 17,688.25 and 8,878.06 is: 13,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.18 : 17,688.25 = 8,878.06 : x
  2. Step 2: Convert to fraction form
    11,803.18/17,688.25 = 8,878.06/x
  3. Step 3: Cross multiply
    11,803.18x = 17,688.25 × 8,878.06
  4. Step 4: Simplify right side
    11,803.18x = 157,037,344.80
  5. Step 5: Solve for x
    x = 157,037,344.80/11,803.18
  6. Step 6: Final answer
    x = 13,304.66

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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.