Home / 21,337.29-29,446.20-11,907.63

Finding the Fourth Proportional to 21,337.29, 29,446.20 and 11,907.63

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Solution

The fourth proportional to 21,337.29, 29,446.20 and 11,907.63 is: 16,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.29 : 29,446.20 = 11,907.63 : x
  2. Step 2: Convert to fraction form
    21,337.29/29,446.20 = 11,907.63/x
  3. Step 3: Cross multiply
    21,337.29x = 29,446.20 × 11,907.63
  4. Step 4: Simplify right side
    21,337.29x = 350,634,454.51
  5. Step 5: Solve for x
    x = 350,634,454.51/21,337.29
  6. Step 6: Final answer
    x = 16,432.94

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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.