Home / 22,460.52-30,988.26-12,899.28

Finding the Fourth Proportional to 22,460.52, 30,988.26 and 12,899.28

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Solution

The fourth proportional to 22,460.52, 30,988.26 and 12,899.28 is: 17,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,460.52 : 30,988.26 = 12,899.28 : x
  2. Step 2: Convert to fraction form
    22,460.52/30,988.26 = 12,899.28/x
  3. Step 3: Cross multiply
    22,460.52x = 30,988.26 × 12,899.28
  4. Step 4: Simplify right side
    22,460.52x = 399,726,242.45
  5. Step 5: Solve for x
    x = 399,726,242.45/22,460.52
  6. Step 6: Final answer
    x = 17,796.84

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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.