Home / 22,275.39-30,740.63-12,716.63

Finding the Fourth Proportional to 22,275.39, 30,740.63 and 12,716.63

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Solution

The fourth proportional to 22,275.39, 30,740.63 and 12,716.63 is: 17,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.39 : 30,740.63 = 12,716.63 : x
  2. Step 2: Convert to fraction form
    22,275.39/30,740.63 = 12,716.63/x
  3. Step 3: Cross multiply
    22,275.39x = 30,740.63 × 12,716.63
  4. Step 4: Simplify right side
    22,275.39x = 390,917,000.39
  5. Step 5: Solve for x
    x = 390,917,000.39/22,275.39
  6. Step 6: Final answer
    x = 17,549.28

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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.