Home / 11,948.47-16,488.26-6,570.80

Finding the Fourth Proportional to 11,948.47, 16,488.26 and 6,570.80

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Solution

The fourth proportional to 11,948.47, 16,488.26 and 6,570.80 is: 9,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.47 : 16,488.26 = 6,570.80 : x
  2. Step 2: Convert to fraction form
    11,948.47/16,488.26 = 6,570.80/x
  3. Step 3: Cross multiply
    11,948.47x = 16,488.26 × 6,570.80
  4. Step 4: Simplify right side
    11,948.47x = 108,341,067.17
  5. Step 5: Solve for x
    x = 108,341,067.17/11,948.47
  6. Step 6: Final answer
    x = 9,067.36

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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.