Home / 10,112.02-13,953.42-6,078.40

Finding the Fourth Proportional to 10,112.02, 13,953.42 and 6,078.40

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Solution

The fourth proportional to 10,112.02, 13,953.42 and 6,078.40 is: 8,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.02 : 13,953.42 = 6,078.40 : x
  2. Step 2: Convert to fraction form
    10,112.02/13,953.42 = 6,078.40/x
  3. Step 3: Cross multiply
    10,112.02x = 13,953.42 × 6,078.40
  4. Step 4: Simplify right side
    10,112.02x = 84,814,468.13
  5. Step 5: Solve for x
    x = 84,814,468.13/10,112.02
  6. Step 6: Final answer
    x = 8,387.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.