Home / 25,141.60-37,712.40-7,612.30

Finding the Fourth Proportional to 25,141.60, 37,712.40 and 7,612.30

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Solution

The fourth proportional to 25,141.60, 37,712.40 and 7,612.30 is: 11,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,141.60 : 37,712.40 = 7,612.30 : x
  2. Step 2: Convert to fraction form
    25,141.60/37,712.40 = 7,612.30/x
  3. Step 3: Cross multiply
    25,141.60x = 37,712.40 × 7,612.30
  4. Step 4: Simplify right side
    25,141.60x = 287,078,102.52
  5. Step 5: Solve for x
    x = 287,078,102.52/25,141.60
  6. Step 6: Final answer
    x = 11,418.45

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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.