Home / 12,565.53-17,338.35-7,260.84

Finding the Fourth Proportional to 12,565.53, 17,338.35 and 7,260.84

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Solution

The fourth proportional to 12,565.53, 17,338.35 and 7,260.84 is: 10,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.53 : 17,338.35 = 7,260.84 : x
  2. Step 2: Convert to fraction form
    12,565.53/17,338.35 = 7,260.84/x
  3. Step 3: Cross multiply
    12,565.53x = 17,338.35 × 7,260.84
  4. Step 4: Simplify right side
    12,565.53x = 125,891,012.44
  5. Step 5: Solve for x
    x = 125,891,012.44/12,565.53
  6. Step 6: Final answer
    x = 10,018.76

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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.