Home / 8,456.13-11,672.73-7,570.40

Finding the Fourth Proportional to 8,456.13, 11,672.73 and 7,570.40

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Solution

The fourth proportional to 8,456.13, 11,672.73 and 7,570.40 is: 10,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.13 : 11,672.73 = 7,570.40 : x
  2. Step 2: Convert to fraction form
    8,456.13/11,672.73 = 7,570.40/x
  3. Step 3: Cross multiply
    8,456.13x = 11,672.73 × 7,570.40
  4. Step 4: Simplify right side
    8,456.13x = 88,367,176.83
  5. Step 5: Solve for x
    x = 88,367,176.83/8,456.13
  6. Step 6: Final answer
    x = 10,450.07

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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.