Home / 15,611.28-23,422.32-9,043.20

Finding the Fourth Proportional to 15,611.28, 23,422.32 and 9,043.20

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Solution

The fourth proportional to 15,611.28, 23,422.32 and 9,043.20 is: 13,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.28 : 23,422.32 = 9,043.20 : x
  2. Step 2: Convert to fraction form
    15,611.28/23,422.32 = 9,043.20/x
  3. Step 3: Cross multiply
    15,611.28x = 23,422.32 × 9,043.20
  4. Step 4: Simplify right side
    15,611.28x = 211,812,724.22
  5. Step 5: Solve for x
    x = 211,812,724.22/15,611.28
  6. Step 6: Final answer
    x = 13,567.93

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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.