Home / 15,653.88-23,478.93-3,967.20

Finding the Fourth Proportional to 15,653.88, 23,478.93 and 3,967.20

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Solution

The fourth proportional to 15,653.88, 23,478.93 and 3,967.20 is: 5,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,653.88 : 23,478.93 = 3,967.20 : x
  2. Step 2: Convert to fraction form
    15,653.88/23,478.93 = 3,967.20/x
  3. Step 3: Cross multiply
    15,653.88x = 23,478.93 × 3,967.20
  4. Step 4: Simplify right side
    15,653.88x = 93,145,611.10
  5. Step 5: Solve for x
    x = 93,145,611.10/15,653.88
  6. Step 6: Final answer
    x = 5,950.32

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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.