Home / 11,377.65-15,701.61-9,486.05

Finding the Fourth Proportional to 11,377.65, 15,701.61 and 9,486.05

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Solution

The fourth proportional to 11,377.65, 15,701.61 and 9,486.05 is: 13,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.65 : 15,701.61 = 9,486.05 : x
  2. Step 2: Convert to fraction form
    11,377.65/15,701.61 = 9,486.05/x
  3. Step 3: Cross multiply
    11,377.65x = 15,701.61 × 9,486.05
  4. Step 4: Simplify right side
    11,377.65x = 148,946,257.54
  5. Step 5: Solve for x
    x = 148,946,257.54/11,377.65
  6. Step 6: Final answer
    x = 13,091.13

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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.