Home / 10,260.39-14,156.73-6,280.05

Finding the Fourth Proportional to 10,260.39, 14,156.73 and 6,280.05

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Solution

The fourth proportional to 10,260.39, 14,156.73 and 6,280.05 is: 8,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.39 : 14,156.73 = 6,280.05 : x
  2. Step 2: Convert to fraction form
    10,260.39/14,156.73 = 6,280.05/x
  3. Step 3: Cross multiply
    10,260.39x = 14,156.73 × 6,280.05
  4. Step 4: Simplify right side
    10,260.39x = 88,904,972.24
  5. Step 5: Solve for x
    x = 88,904,972.24/10,260.39
  6. Step 6: Final answer
    x = 8,664.87

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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.