Home / 12,948.12-19,423.28-3,588.14

Finding the Fourth Proportional to 12,948.12, 19,423.28 and 3,588.14

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Solution

The fourth proportional to 12,948.12, 19,423.28 and 3,588.14 is: 5,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.12 : 19,423.28 = 3,588.14 : x
  2. Step 2: Convert to fraction form
    12,948.12/19,423.28 = 3,588.14/x
  3. Step 3: Cross multiply
    12,948.12x = 19,423.28 × 3,588.14
  4. Step 4: Simplify right side
    12,948.12x = 69,693,505.43
  5. Step 5: Solve for x
    x = 69,693,505.43/12,948.12
  6. Step 6: Final answer
    x = 5,382.52

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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.