Home / 12,513.16-17,266.76-7,207.88

Finding the Fourth Proportional to 12,513.16, 17,266.76 and 7,207.88

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Solution

The fourth proportional to 12,513.16, 17,266.76 and 7,207.88 is: 9,946.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513.16 : 17,266.76 = 7,207.88 : x
  2. Step 2: Convert to fraction form
    12,513.16/17,266.76 = 7,207.88/x
  3. Step 3: Cross multiply
    12,513.16x = 17,266.76 × 7,207.88
  4. Step 4: Simplify right side
    12,513.16x = 124,456,734.07
  5. Step 5: Solve for x
    x = 124,456,734.07/12,513.16
  6. Step 6: Final answer
    x = 9,946.07

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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.