Home / 22,038.44-30,412.95-11,966.81

Finding the Fourth Proportional to 22,038.44, 30,412.95 and 11,966.81

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Solution

The fourth proportional to 22,038.44, 30,412.95 and 11,966.81 is: 16,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.44 : 30,412.95 = 11,966.81 : x
  2. Step 2: Convert to fraction form
    22,038.44/30,412.95 = 11,966.81/x
  3. Step 3: Cross multiply
    22,038.44x = 30,412.95 × 11,966.81
  4. Step 4: Simplify right side
    22,038.44x = 363,945,842.12
  5. Step 5: Solve for x
    x = 363,945,842.12/22,038.44
  6. Step 6: Final answer
    x = 16,514.14

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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.