Home / 22,010.79-30,374.70-13,394.46

Finding the Fourth Proportional to 22,010.79, 30,374.70 and 13,394.46

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Solution

The fourth proportional to 22,010.79, 30,374.70 and 13,394.46 is: 18,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.79 : 30,374.70 = 13,394.46 : x
  2. Step 2: Convert to fraction form
    22,010.79/30,374.70 = 13,394.46/x
  3. Step 3: Cross multiply
    22,010.79x = 30,374.70 × 13,394.46
  4. Step 4: Simplify right side
    22,010.79x = 406,852,767.84
  5. Step 5: Solve for x
    x = 406,852,767.84/22,010.79
  6. Step 6: Final answer
    x = 18,484.24

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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.