Home / 21,063.01-29,066.39-11,503.15

Finding the Fourth Proportional to 21,063.01, 29,066.39 and 11,503.15

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Solution

The fourth proportional to 21,063.01, 29,066.39 and 11,503.15 is: 15,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.01 : 29,066.39 = 11,503.15 : x
  2. Step 2: Convert to fraction form
    21,063.01/29,066.39 = 11,503.15/x
  3. Step 3: Cross multiply
    21,063.01x = 29,066.39 × 11,503.15
  4. Step 4: Simplify right side
    21,063.01x = 334,354,986.61
  5. Step 5: Solve for x
    x = 334,354,986.61/21,063.01
  6. Step 6: Final answer
    x = 15,874.04

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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.