Home / 21,933.76-30,262.08-12,501.76

Finding the Fourth Proportional to 21,933.76, 30,262.08 and 12,501.76

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Solution

The fourth proportional to 21,933.76, 30,262.08 and 12,501.76 is: 17,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.76 : 30,262.08 = 12,501.76 : x
  2. Step 2: Convert to fraction form
    21,933.76/30,262.08 = 12,501.76/x
  3. Step 3: Cross multiply
    21,933.76x = 30,262.08 × 12,501.76
  4. Step 4: Simplify right side
    21,933.76x = 378,329,261.26
  5. Step 5: Solve for x
    x = 378,329,261.26/21,933.76
  6. Step 6: Final answer
    x = 17,248.72

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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.