Home / 25,187.04-37,778.12-7,657.02

Finding the Fourth Proportional to 25,187.04, 37,778.12 and 7,657.02

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Solution

The fourth proportional to 25,187.04, 37,778.12 and 7,657.02 is: 11,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.04 : 37,778.12 = 7,657.02 : x
  2. Step 2: Convert to fraction form
    25,187.04/37,778.12 = 7,657.02/x
  3. Step 3: Cross multiply
    25,187.04x = 37,778.12 × 7,657.02
  4. Step 4: Simplify right side
    25,187.04x = 289,267,820.40
  5. Step 5: Solve for x
    x = 289,267,820.40/25,187.04
  6. Step 6: Final answer
    x = 11,484.79

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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.