Home / 20,218.59-27,901.37-11,266.47

Finding the Fourth Proportional to 20,218.59, 27,901.37 and 11,266.47

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Solution

The fourth proportional to 20,218.59, 27,901.37 and 11,266.47 is: 15,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218.59 : 27,901.37 = 11,266.47 : x
  2. Step 2: Convert to fraction form
    20,218.59/27,901.37 = 11,266.47/x
  3. Step 3: Cross multiply
    20,218.59x = 27,901.37 × 11,266.47
  4. Step 4: Simplify right side
    20,218.59x = 314,349,752.22
  5. Step 5: Solve for x
    x = 314,349,752.22/20,218.59
  6. Step 6: Final answer
    x = 15,547.56

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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.