Home / 21,254.08-29,329.92-11,823.04

Finding the Fourth Proportional to 21,254.08, 29,329.92 and 11,823.04

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Solution

The fourth proportional to 21,254.08, 29,329.92 and 11,823.04 is: 16,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254.08 : 29,329.92 = 11,823.04 : x
  2. Step 2: Convert to fraction form
    21,254.08/29,329.92 = 11,823.04/x
  3. Step 3: Cross multiply
    21,254.08x = 29,329.92 × 11,823.04
  4. Step 4: Simplify right side
    21,254.08x = 346,768,817.36
  5. Step 5: Solve for x
    x = 346,768,817.36/21,254.08
  6. Step 6: Final answer
    x = 16,315.40

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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.