Home / 21,050.10-29,048.13-11,618.10

Finding the Fourth Proportional to 21,050.10, 29,048.13 and 11,618.10

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Solution

The fourth proportional to 21,050.10, 29,048.13 and 11,618.10 is: 16,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.10 : 29,048.13 = 11,618.10 : x
  2. Step 2: Convert to fraction form
    21,050.10/29,048.13 = 11,618.10/x
  3. Step 3: Cross multiply
    21,050.10x = 29,048.13 × 11,618.10
  4. Step 4: Simplify right side
    21,050.10x = 337,484,079.15
  5. Step 5: Solve for x
    x = 337,484,079.15/21,050.10
  6. Step 6: Final answer
    x = 16,032.42

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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.