Home / 15,210.14-20,983.50-9,541.04

Finding the Fourth Proportional to 15,210.14, 20,983.50 and 9,541.04

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Solution

The fourth proportional to 15,210.14, 20,983.50 and 9,541.04 is: 13,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210.14 : 20,983.50 = 9,541.04 : x
  2. Step 2: Convert to fraction form
    15,210.14/20,983.50 = 9,541.04/x
  3. Step 3: Cross multiply
    15,210.14x = 20,983.50 × 9,541.04
  4. Step 4: Simplify right side
    15,210.14x = 200,204,307.92
  5. Step 5: Solve for x
    x = 200,204,307.92/15,210.14
  6. Step 6: Final answer
    x = 13,162.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.