Home / 10,080.18-13,908.70-6,889.89

Finding the Fourth Proportional to 10,080.18, 13,908.70 and 6,889.89

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Solution

The fourth proportional to 10,080.18, 13,908.70 and 6,889.89 is: 9,506.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.18 : 13,908.70 = 6,889.89 : x
  2. Step 2: Convert to fraction form
    10,080.18/13,908.70 = 6,889.89/x
  3. Step 3: Cross multiply
    10,080.18x = 13,908.70 × 6,889.89
  4. Step 4: Simplify right side
    10,080.18x = 95,829,413.04
  5. Step 5: Solve for x
    x = 95,829,413.04/10,080.18
  6. Step 6: Final answer
    x = 9,506.72

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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.