Home / 21,254.91-29,333.14-11,823.47

Finding the Fourth Proportional to 21,254.91, 29,333.14 and 11,823.47

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Solution

The fourth proportional to 21,254.91, 29,333.14 and 11,823.47 is: 16,317.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254.91 : 29,333.14 = 11,823.47 : x
  2. Step 2: Convert to fraction form
    21,254.91/29,333.14 = 11,823.47/x
  3. Step 3: Cross multiply
    21,254.91x = 29,333.14 × 11,823.47
  4. Step 4: Simplify right side
    21,254.91x = 346,819,434.57
  5. Step 5: Solve for x
    x = 346,819,434.57/21,254.91
  6. Step 6: Final answer
    x = 16,317.15

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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.