Home / 12,701.43-17,510.65-8,452.69

Finding the Fourth Proportional to 12,701.43, 17,510.65 and 8,452.69

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Solution

The fourth proportional to 12,701.43, 17,510.65 and 8,452.69 is: 11,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.43 : 17,510.65 = 8,452.69 : x
  2. Step 2: Convert to fraction form
    12,701.43/17,510.65 = 8,452.69/x
  3. Step 3: Cross multiply
    12,701.43x = 17,510.65 × 8,452.69
  4. Step 4: Simplify right side
    12,701.43x = 148,012,031.24
  5. Step 5: Solve for x
    x = 148,012,031.24/12,701.43
  6. Step 6: Final answer
    x = 11,653.18

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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.