Home / 21,486.36-32,230.42-10,235.92

Finding the Fourth Proportional to 21,486.36, 32,230.42 and 10,235.92

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Solution

The fourth proportional to 21,486.36, 32,230.42 and 10,235.92 is: 15,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486.36 : 32,230.42 = 10,235.92 : x
  2. Step 2: Convert to fraction form
    21,486.36/32,230.42 = 10,235.92/x
  3. Step 3: Cross multiply
    21,486.36x = 32,230.42 × 10,235.92
  4. Step 4: Simplify right side
    21,486.36x = 329,908,000.69
  5. Step 5: Solve for x
    x = 329,908,000.69/21,486.36
  6. Step 6: Final answer
    x = 15,354.30

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1.5x scale

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.