Home / 25,140.60-37,710.90-7,611.30

Finding the Fourth Proportional to 25,140.60, 37,710.90 and 7,611.30

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Solution

The fourth proportional to 25,140.60, 37,710.90 and 7,611.30 is: 11,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.60 : 37,710.90 = 7,611.30 : x
  2. Step 2: Convert to fraction form
    25,140.60/37,710.90 = 7,611.30/x
  3. Step 3: Cross multiply
    25,140.60x = 37,710.90 × 7,611.30
  4. Step 4: Simplify right side
    25,140.60x = 287,028,973.17
  5. Step 5: Solve for x
    x = 287,028,973.17/25,140.60
  6. Step 6: Final answer
    x = 11,416.95

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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.