Home / 8,959.72-13,448.76-5,989.18

Finding the Fourth Proportional to 8,959.72, 13,448.76 and 5,989.18

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Solution

The fourth proportional to 8,959.72, 13,448.76 and 5,989.18 is: 8,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.72 : 13,448.76 = 5,989.18 : x
  2. Step 2: Convert to fraction form
    8,959.72/13,448.76 = 5,989.18/x
  3. Step 3: Cross multiply
    8,959.72x = 13,448.76 × 5,989.18
  4. Step 4: Simplify right side
    8,959.72x = 80,547,044.42
  5. Step 5: Solve for x
    x = 80,547,044.42/8,959.72
  6. Step 6: Final answer
    x = 8,989.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.