Home / 20,218.86-27,901.65-11,266.17

Finding the Fourth Proportional to 20,218.86, 27,901.65 and 11,266.17

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Solution

The fourth proportional to 20,218.86, 27,901.65 and 11,266.17 is: 15,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218.86 : 27,901.65 = 11,266.17 : x
  2. Step 2: Convert to fraction form
    20,218.86/27,901.65 = 11,266.17/x
  3. Step 3: Cross multiply
    20,218.86x = 27,901.65 × 11,266.17
  4. Step 4: Simplify right side
    20,218.86x = 314,344,732.18
  5. Step 5: Solve for x
    x = 314,344,732.18/20,218.86
  6. Step 6: Final answer
    x = 15,547.10

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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.