Home / 15,988.80-23,980.48-4,301.12

Finding the Fourth Proportional to 15,988.80, 23,980.48 and 4,301.12

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Solution

The fourth proportional to 15,988.80, 23,980.48 and 4,301.12 is: 6,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.80 : 23,980.48 = 4,301.12 : x
  2. Step 2: Convert to fraction form
    15,988.80/23,980.48 = 4,301.12/x
  3. Step 3: Cross multiply
    15,988.80x = 23,980.48 × 4,301.12
  4. Step 4: Simplify right side
    15,988.80x = 103,142,922.14
  5. Step 5: Solve for x
    x = 103,142,922.14/15,988.80
  6. Step 6: Final answer
    x = 6,450.95

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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.