Home / 14,478.12-21,720.24-10,823.94

Finding the Fourth Proportional to 14,478.12, 21,720.24 and 10,823.94

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Solution

The fourth proportional to 14,478.12, 21,720.24 and 10,823.94 is: 16,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.12 : 21,720.24 = 10,823.94 : x
  2. Step 2: Convert to fraction form
    14,478.12/21,720.24 = 10,823.94/x
  3. Step 3: Cross multiply
    14,478.12x = 21,720.24 × 10,823.94
  4. Step 4: Simplify right side
    14,478.12x = 235,098,574.55
  5. Step 5: Solve for x
    x = 235,098,574.55/14,478.12
  6. Step 6: Final answer
    x = 16,238.20

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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.