Home / 22,045.17-30,422.40-13,093.05

Finding the Fourth Proportional to 22,045.17, 30,422.40 and 13,093.05

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Solution

The fourth proportional to 22,045.17, 30,422.40 and 13,093.05 is: 18,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,045.17 : 30,422.40 = 13,093.05 : x
  2. Step 2: Convert to fraction form
    22,045.17/30,422.40 = 13,093.05/x
  3. Step 3: Cross multiply
    22,045.17x = 30,422.40 × 13,093.05
  4. Step 4: Simplify right side
    22,045.17x = 398,322,004.32
  5. Step 5: Solve for x
    x = 398,322,004.32/22,045.17
  6. Step 6: Final answer
    x = 18,068.45

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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.