Home / 10,378.02-15,566.61-2,982.45

Finding the Fourth Proportional to 10,378.02, 15,566.61 and 2,982.45

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Solution

The fourth proportional to 10,378.02, 15,566.61 and 2,982.45 is: 4,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.02 : 15,566.61 = 2,982.45 : x
  2. Step 2: Convert to fraction form
    10,378.02/15,566.61 = 2,982.45/x
  3. Step 3: Cross multiply
    10,378.02x = 15,566.61 × 2,982.45
  4. Step 4: Simplify right side
    10,378.02x = 46,426,635.99
  5. Step 5: Solve for x
    x = 46,426,635.99/10,378.02
  6. Step 6: Final answer
    x = 4,473.55

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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.