Home / 12,547.41-17,315.60-6,882.70

Finding the Fourth Proportional to 12,547.41, 17,315.60 and 6,882.70

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Solution

The fourth proportional to 12,547.41, 17,315.60 and 6,882.70 is: 9,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.41 : 17,315.60 = 6,882.70 : x
  2. Step 2: Convert to fraction form
    12,547.41/17,315.60 = 6,882.70/x
  3. Step 3: Cross multiply
    12,547.41x = 17,315.60 × 6,882.70
  4. Step 4: Simplify right side
    12,547.41x = 119,177,993.54
  5. Step 5: Solve for x
    x = 119,177,993.54/12,547.41
  6. Step 6: Final answer
    x = 9,498.22

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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.