Home / 12,585.06-17,367.76-6,919.52

Finding the Fourth Proportional to 12,585.06, 17,367.76 and 6,919.52

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Solution

The fourth proportional to 12,585.06, 17,367.76 and 6,919.52 is: 9,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.06 : 17,367.76 = 6,919.52 : x
  2. Step 2: Convert to fraction form
    12,585.06/17,367.76 = 6,919.52/x
  3. Step 3: Cross multiply
    12,585.06x = 17,367.76 × 6,919.52
  4. Step 4: Simplify right side
    12,585.06x = 120,176,514.84
  5. Step 5: Solve for x
    x = 120,176,514.84/12,585.06
  6. Step 6: Final answer
    x = 9,549.14

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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.