Home / 25,146.08-37,710.40-7,611.20

Finding the Fourth Proportional to 25,146.08, 37,710.40 and 7,611.20

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Solution

The fourth proportional to 25,146.08, 37,710.40 and 7,611.20 is: 11,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,146.08 : 37,710.40 = 7,611.20 : x
  2. Step 2: Convert to fraction form
    25,146.08/37,710.40 = 7,611.20/x
  3. Step 3: Cross multiply
    25,146.08x = 37,710.40 × 7,611.20
  4. Step 4: Simplify right side
    25,146.08x = 287,021,396.48
  5. Step 5: Solve for x
    x = 287,021,396.48/25,146.08
  6. Step 6: Final answer
    x = 11,414.16

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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.