Home / 10,122.00-15,182.51-3,547.68

Finding the Fourth Proportional to 10,122.00, 15,182.51 and 3,547.68

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Solution

The fourth proportional to 10,122.00, 15,182.51 and 3,547.68 is: 5,321.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.00 : 15,182.51 = 3,547.68 : x
  2. Step 2: Convert to fraction form
    10,122.00/15,182.51 = 3,547.68/x
  3. Step 3: Cross multiply
    10,122.00x = 15,182.51 × 3,547.68
  4. Step 4: Simplify right side
    10,122.00x = 53,862,612.40
  5. Step 5: Solve for x
    x = 53,862,612.40/10,122.00
  6. Step 6: Final answer
    x = 5,321.34

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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.