Home / 10,185.96-15,280.02-4,343.16

Finding the Fourth Proportional to 10,185.96, 15,280.02 and 4,343.16

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Solution

The fourth proportional to 10,185.96, 15,280.02 and 4,343.16 is: 6,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.96 : 15,280.02 = 4,343.16 : x
  2. Step 2: Convert to fraction form
    10,185.96/15,280.02 = 4,343.16/x
  3. Step 3: Cross multiply
    10,185.96x = 15,280.02 × 4,343.16
  4. Step 4: Simplify right side
    10,185.96x = 66,363,571.66
  5. Step 5: Solve for x
    x = 66,363,571.66/10,185.96
  6. Step 6: Final answer
    x = 6,515.20

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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.