Home / 21,246.16-29,323.32-12,293.92

Finding the Fourth Proportional to 21,246.16, 29,323.32 and 12,293.92

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Solution

The fourth proportional to 21,246.16, 29,323.32 and 12,293.92 is: 16,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.16 : 29,323.32 = 12,293.92 : x
  2. Step 2: Convert to fraction form
    21,246.16/29,323.32 = 12,293.92/x
  3. Step 3: Cross multiply
    21,246.16x = 29,323.32 × 12,293.92
  4. Step 4: Simplify right side
    21,246.16x = 360,498,550.21
  5. Step 5: Solve for x
    x = 360,498,550.21/21,246.16
  6. Step 6: Final answer
    x = 16,967.70

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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.