Home / 12,547.35-17,315.37-6,882.15

Finding the Fourth Proportional to 12,547.35, 17,315.37 and 6,882.15

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Solution

The fourth proportional to 12,547.35, 17,315.37 and 6,882.15 is: 9,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.35 : 17,315.37 = 6,882.15 : x
  2. Step 2: Convert to fraction form
    12,547.35/17,315.37 = 6,882.15/x
  3. Step 3: Cross multiply
    12,547.35x = 17,315.37 × 6,882.15
  4. Step 4: Simplify right side
    12,547.35x = 119,166,973.65
  5. Step 5: Solve for x
    x = 119,166,973.65/12,547.35
  6. Step 6: Final answer
    x = 9,497.38

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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.