Home / 21,386.50-32,093.12-10,294.36

Finding the Fourth Proportional to 21,386.50, 32,093.12 and 10,294.36

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Solution

The fourth proportional to 21,386.50, 32,093.12 and 10,294.36 is: 15,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386.50 : 32,093.12 = 10,294.36 : x
  2. Step 2: Convert to fraction form
    21,386.50/32,093.12 = 10,294.36/x
  3. Step 3: Cross multiply
    21,386.50x = 32,093.12 × 10,294.36
  4. Step 4: Simplify right side
    21,386.50x = 330,378,130.80
  5. Step 5: Solve for x
    x = 330,378,130.80/21,386.50
  6. Step 6: Final answer
    x = 15,447.98

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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.