Home / 10,824.04-16,239.30-5,280.40

Finding the Fourth Proportional to 10,824.04, 16,239.30 and 5,280.40

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Solution

The fourth proportional to 10,824.04, 16,239.30 and 5,280.40 is: 7,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.04 : 16,239.30 = 5,280.40 : x
  2. Step 2: Convert to fraction form
    10,824.04/16,239.30 = 5,280.40/x
  3. Step 3: Cross multiply
    10,824.04x = 16,239.30 × 5,280.40
  4. Step 4: Simplify right side
    10,824.04x = 85,749,999.72
  5. Step 5: Solve for x
    x = 85,749,999.72/10,824.04
  6. Step 6: Final answer
    x = 7,922.18

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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.