Home / 11,357.40-15,675.47-6,578.13

Finding the Fourth Proportional to 11,357.40, 15,675.47 and 6,578.13

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Solution

The fourth proportional to 11,357.40, 15,675.47 and 6,578.13 is: 9,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.40 : 15,675.47 = 6,578.13 : x
  2. Step 2: Convert to fraction form
    11,357.40/15,675.47 = 6,578.13/x
  3. Step 3: Cross multiply
    11,357.40x = 15,675.47 × 6,578.13
  4. Step 4: Simplify right side
    11,357.40x = 103,115,295.92
  5. Step 5: Solve for x
    x = 103,115,295.92/11,357.40
  6. Step 6: Final answer
    x = 9,079.13

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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.