Home / 14,447.12-21,641.11-9,993.74

Finding the Fourth Proportional to 14,447.12, 21,641.11 and 9,993.74

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Solution

The fourth proportional to 14,447.12, 21,641.11 and 9,993.74 is: 14,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.12 : 21,641.11 = 9,993.74 : x
  2. Step 2: Convert to fraction form
    14,447.12/21,641.11 = 9,993.74/x
  3. Step 3: Cross multiply
    14,447.12x = 21,641.11 × 9,993.74
  4. Step 4: Simplify right side
    14,447.12x = 216,275,626.65
  5. Step 5: Solve for x
    x = 216,275,626.65/14,447.12
  6. Step 6: Final answer
    x = 14,970.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.