Home / 21,973.38-30,323.11-11,901.59

Finding the Fourth Proportional to 21,973.38, 30,323.11 and 11,901.59

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Solution

The fourth proportional to 21,973.38, 30,323.11 and 11,901.59 is: 16,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.38 : 30,323.11 = 11,901.59 : x
  2. Step 2: Convert to fraction form
    21,973.38/30,323.11 = 11,901.59/x
  3. Step 3: Cross multiply
    21,973.38x = 30,323.11 × 11,901.59
  4. Step 4: Simplify right side
    21,973.38x = 360,893,222.74
  5. Step 5: Solve for x
    x = 360,893,222.74/21,973.38
  6. Step 6: Final answer
    x = 16,424.11

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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.