Home / 15,602.40-23,403.90-3,915.32

Finding the Fourth Proportional to 15,602.40, 23,403.90 and 3,915.32

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Solution

The fourth proportional to 15,602.40, 23,403.90 and 3,915.32 is: 5,873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.40 : 23,403.90 = 3,915.32 : x
  2. Step 2: Convert to fraction form
    15,602.40/23,403.90 = 3,915.32/x
  3. Step 3: Cross multiply
    15,602.40x = 23,403.90 × 3,915.32
  4. Step 4: Simplify right side
    15,602.40x = 91,633,757.75
  5. Step 5: Solve for x
    x = 91,633,757.75/15,602.40
  6. Step 6: Final answer
    x = 5,873.06

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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.