Home / 10,342.73-15,514.16-7,047.65

Finding the Fourth Proportional to 10,342.73, 15,514.16 and 7,047.65

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Solution

The fourth proportional to 10,342.73, 15,514.16 and 7,047.65 is: 10,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.73 : 15,514.16 = 7,047.65 : x
  2. Step 2: Convert to fraction form
    10,342.73/15,514.16 = 7,047.65/x
  3. Step 3: Cross multiply
    10,342.73x = 15,514.16 × 7,047.65
  4. Step 4: Simplify right side
    10,342.73x = 109,338,256.91
  5. Step 5: Solve for x
    x = 109,338,256.91/10,342.73
  6. Step 6: Final answer
    x = 10,571.51

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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.