Home / 21,323.64-29,425.94-11,763.52

Finding the Fourth Proportional to 21,323.64, 29,425.94 and 11,763.52

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Solution

The fourth proportional to 21,323.64, 29,425.94 and 11,763.52 is: 16,233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323.64 : 29,425.94 = 11,763.52 : x
  2. Step 2: Convert to fraction form
    21,323.64/29,425.94 = 11,763.52/x
  3. Step 3: Cross multiply
    21,323.64x = 29,425.94 × 11,763.52
  4. Step 4: Simplify right side
    21,323.64x = 346,152,633.71
  5. Step 5: Solve for x
    x = 346,152,633.71/21,323.64
  6. Step 6: Final answer
    x = 16,233.28

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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.