Home / 22,218.03-30,655.89-13,264.02

Finding the Fourth Proportional to 22,218.03, 30,655.89 and 13,264.02

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Solution

The fourth proportional to 22,218.03, 30,655.89 and 13,264.02 is: 18,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.03 : 30,655.89 = 13,264.02 : x
  2. Step 2: Convert to fraction form
    22,218.03/30,655.89 = 13,264.02/x
  3. Step 3: Cross multiply
    22,218.03x = 30,655.89 × 13,264.02
  4. Step 4: Simplify right side
    22,218.03x = 406,620,338.08
  5. Step 5: Solve for x
    x = 406,620,338.08/22,218.03
  6. Step 6: Final answer
    x = 18,301.37

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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.