Home / 11,948.39-16,488.35-6,570.78

Finding the Fourth Proportional to 11,948.39, 16,488.35 and 6,570.78

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Solution

The fourth proportional to 11,948.39, 16,488.35 and 6,570.78 is: 9,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.39 : 16,488.35 = 6,570.78 : x
  2. Step 2: Convert to fraction form
    11,948.39/16,488.35 = 6,570.78/x
  3. Step 3: Cross multiply
    11,948.39x = 16,488.35 × 6,570.78
  4. Step 4: Simplify right side
    11,948.39x = 108,341,303.99
  5. Step 5: Solve for x
    x = 108,341,303.99/11,948.39
  6. Step 6: Final answer
    x = 9,067.44

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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.