Home / 10,380.02-15,569.61-2,984.45

Finding the Fourth Proportional to 10,380.02, 15,569.61 and 2,984.45

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Solution

The fourth proportional to 10,380.02, 15,569.61 and 2,984.45 is: 4,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.02 : 15,569.61 = 2,984.45 : x
  2. Step 2: Convert to fraction form
    10,380.02/15,569.61 = 2,984.45/x
  3. Step 3: Cross multiply
    10,380.02x = 15,569.61 × 2,984.45
  4. Step 4: Simplify right side
    10,380.02x = 46,466,722.56
  5. Step 5: Solve for x
    x = 46,466,722.56/10,380.02
  6. Step 6: Final answer
    x = 4,476.55

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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.