Home / 21,394.84-32,065.50-10,298.56

Finding the Fourth Proportional to 21,394.84, 32,065.50 and 10,298.56

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Solution

The fourth proportional to 21,394.84, 32,065.50 and 10,298.56 is: 15,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.84 : 32,065.50 = 10,298.56 : x
  2. Step 2: Convert to fraction form
    21,394.84/32,065.50 = 10,298.56/x
  3. Step 3: Cross multiply
    21,394.84x = 32,065.50 × 10,298.56
  4. Step 4: Simplify right side
    21,394.84x = 330,228,475.68
  5. Step 5: Solve for x
    x = 330,228,475.68/21,394.84
  6. Step 6: Final answer
    x = 15,434.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.