Home / 25,218.95-37,833.99-7,690.14

Finding the Fourth Proportional to 25,218.95, 37,833.99 and 7,690.14

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Solution

The fourth proportional to 25,218.95, 37,833.99 and 7,690.14 is: 11,536.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.95 : 37,833.99 = 7,690.14 : x
  2. Step 2: Convert to fraction form
    25,218.95/37,833.99 = 7,690.14/x
  3. Step 3: Cross multiply
    25,218.95x = 37,833.99 × 7,690.14
  4. Step 4: Simplify right side
    25,218.95x = 290,948,651.02
  5. Step 5: Solve for x
    x = 290,948,651.02/25,218.95
  6. Step 6: Final answer
    x = 11,536.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.