Home / 10,331.94-14,258.08-5,616.20

Finding the Fourth Proportional to 10,331.94, 14,258.08 and 5,616.20

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Solution

The fourth proportional to 10,331.94, 14,258.08 and 5,616.20 is: 7,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.94 : 14,258.08 = 5,616.20 : x
  2. Step 2: Convert to fraction form
    10,331.94/14,258.08 = 5,616.20/x
  3. Step 3: Cross multiply
    10,331.94x = 14,258.08 × 5,616.20
  4. Step 4: Simplify right side
    10,331.94x = 80,076,228.90
  5. Step 5: Solve for x
    x = 80,076,228.90/10,331.94
  6. Step 6: Final answer
    x = 7,750.36

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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.