Home / 21,063.10-29,066.76-11,631.70

Finding the Fourth Proportional to 21,063.10, 29,066.76 and 11,631.70

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Solution

The fourth proportional to 21,063.10, 29,066.76 and 11,631.70 is: 16,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.10 : 29,066.76 = 11,631.70 : x
  2. Step 2: Convert to fraction form
    21,063.10/29,066.76 = 11,631.70/x
  3. Step 3: Cross multiply
    21,063.10x = 29,066.76 × 11,631.70
  4. Step 4: Simplify right side
    21,063.10x = 338,095,832.29
  5. Step 5: Solve for x
    x = 338,095,832.29/21,063.10
  6. Step 6: Final answer
    x = 16,051.57

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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.