Home / 22,530.34-31,092.08-12,459.47

Finding the Fourth Proportional to 22,530.34, 31,092.08 and 12,459.47

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Solution

The fourth proportional to 22,530.34, 31,092.08 and 12,459.47 is: 17,194.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,530.34 : 31,092.08 = 12,459.47 : x
  2. Step 2: Convert to fraction form
    22,530.34/31,092.08 = 12,459.47/x
  3. Step 3: Cross multiply
    22,530.34x = 31,092.08 × 12,459.47
  4. Step 4: Simplify right side
    22,530.34x = 387,390,620.24
  5. Step 5: Solve for x
    x = 387,390,620.24/22,530.34
  6. Step 6: Final answer
    x = 17,194.17

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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.