Home / 20,218.85-27,901.63-11,266.16

Finding the Fourth Proportional to 20,218.85, 27,901.63 and 11,266.16

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Solution

The fourth proportional to 20,218.85, 27,901.63 and 11,266.16 is: 15,547.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218.85 : 27,901.63 = 11,266.16 : x
  2. Step 2: Convert to fraction form
    20,218.85/27,901.63 = 11,266.16/x
  3. Step 3: Cross multiply
    20,218.85x = 27,901.63 × 11,266.16
  4. Step 4: Simplify right side
    20,218.85x = 314,344,088.33
  5. Step 5: Solve for x
    x = 314,344,088.33/20,218.85
  6. Step 6: Final answer
    x = 15,547.08

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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.