Home / 10,382.02-15,570.78-2,984.86

Finding the Fourth Proportional to 10,382.02, 15,570.78 and 2,984.86

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Solution

The fourth proportional to 10,382.02, 15,570.78 and 2,984.86 is: 4,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.02 : 15,570.78 = 2,984.86 : x
  2. Step 2: Convert to fraction form
    10,382.02/15,570.78 = 2,984.86/x
  3. Step 3: Cross multiply
    10,382.02x = 15,570.78 × 2,984.86
  4. Step 4: Simplify right side
    10,382.02x = 46,476,598.39
  5. Step 5: Solve for x
    x = 46,476,598.39/10,382.02
  6. Step 6: Final answer
    x = 4,476.64

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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.