Home / 25,103.36-37,645.40-8,458.90

Finding the Fourth Proportional to 25,103.36, 37,645.40 and 8,458.90

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Solution

The fourth proportional to 25,103.36, 37,645.40 and 8,458.90 is: 12,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,103.36 : 37,645.40 = 8,458.90 : x
  2. Step 2: Convert to fraction form
    25,103.36/37,645.40 = 8,458.90/x
  3. Step 3: Cross multiply
    25,103.36x = 37,645.40 × 8,458.90
  4. Step 4: Simplify right side
    25,103.36x = 318,438,674.06
  5. Step 5: Solve for x
    x = 318,438,674.06/25,103.36
  6. Step 6: Final answer
    x = 12,685.10

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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.