Home / 15,517.16-23,277.10-4,988.12

Finding the Fourth Proportional to 15,517.16, 23,277.10 and 4,988.12

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Solution

The fourth proportional to 15,517.16, 23,277.10 and 4,988.12 is: 7,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.16 : 23,277.10 = 4,988.12 : x
  2. Step 2: Convert to fraction form
    15,517.16/23,277.10 = 4,988.12/x
  3. Step 3: Cross multiply
    15,517.16x = 23,277.10 × 4,988.12
  4. Step 4: Simplify right side
    15,517.16x = 116,108,968.05
  5. Step 5: Solve for x
    x = 116,108,968.05/15,517.16
  6. Step 6: Final answer
    x = 7,482.62

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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.