Home / 21,099.04-31,647.42-10,710.52

Finding the Fourth Proportional to 21,099.04, 31,647.42 and 10,710.52

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Solution

The fourth proportional to 21,099.04, 31,647.42 and 10,710.52 is: 16,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,099.04 : 31,647.42 = 10,710.52 : x
  2. Step 2: Convert to fraction form
    21,099.04/31,647.42 = 10,710.52/x
  3. Step 3: Cross multiply
    21,099.04x = 31,647.42 × 10,710.52
  4. Step 4: Simplify right side
    21,099.04x = 338,960,324.86
  5. Step 5: Solve for x
    x = 338,960,324.86/21,099.04
  6. Step 6: Final answer
    x = 16,065.20

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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.