Home / 21,925.62-30,259.17-12,495.06

Finding the Fourth Proportional to 21,925.62, 30,259.17 and 12,495.06

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Solution

The fourth proportional to 21,925.62, 30,259.17 and 12,495.06 is: 17,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,925.62 : 30,259.17 = 12,495.06 : x
  2. Step 2: Convert to fraction form
    21,925.62/30,259.17 = 12,495.06/x
  3. Step 3: Cross multiply
    21,925.62x = 30,259.17 × 12,495.06
  4. Step 4: Simplify right side
    21,925.62x = 378,090,144.70
  5. Step 5: Solve for x
    x = 378,090,144.70/21,925.62
  6. Step 6: Final answer
    x = 17,244.22

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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.