Home / 15,674.88-23,513.04-3,988.20

Finding the Fourth Proportional to 15,674.88, 23,513.04 and 3,988.20

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Solution

The fourth proportional to 15,674.88, 23,513.04 and 3,988.20 is: 5,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.88 : 23,513.04 = 3,988.20 : x
  2. Step 2: Convert to fraction form
    15,674.88/23,513.04 = 3,988.20/x
  3. Step 3: Cross multiply
    15,674.88x = 23,513.04 × 3,988.20
  4. Step 4: Simplify right side
    15,674.88x = 93,774,706.13
  5. Step 5: Solve for x
    x = 93,774,706.13/15,674.88
  6. Step 6: Final answer
    x = 5,982.48

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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.