Home / 10,618.28-14,650.86-6,426.44

Finding the Fourth Proportional to 10,618.28, 14,650.86 and 6,426.44

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Solution

The fourth proportional to 10,618.28, 14,650.86 and 6,426.44 is: 8,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.28 : 14,650.86 = 6,426.44 : x
  2. Step 2: Convert to fraction form
    10,618.28/14,650.86 = 6,426.44/x
  3. Step 3: Cross multiply
    10,618.28x = 14,650.86 × 6,426.44
  4. Step 4: Simplify right side
    10,618.28x = 94,152,872.74
  5. Step 5: Solve for x
    x = 94,152,872.74/10,618.28
  6. Step 6: Final answer
    x = 8,867.05

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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.