Home / 12,547.91-17,316.29-6,883.20

Finding the Fourth Proportional to 12,547.91, 17,316.29 and 6,883.20

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Solution

The fourth proportional to 12,547.91, 17,316.29 and 6,883.20 is: 9,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.91 : 17,316.29 = 6,883.20 : x
  2. Step 2: Convert to fraction form
    12,547.91/17,316.29 = 6,883.20/x
  3. Step 3: Cross multiply
    12,547.91x = 17,316.29 × 6,883.20
  4. Step 4: Simplify right side
    12,547.91x = 119,191,487.33
  5. Step 5: Solve for x
    x = 119,191,487.33/12,547.91
  6. Step 6: Final answer
    x = 9,498.91

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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.