Home / 10,618.52-14,654.94-6,426.84

Finding the Fourth Proportional to 10,618.52, 14,654.94 and 6,426.84

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Solution

The fourth proportional to 10,618.52, 14,654.94 and 6,426.84 is: 8,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.52 : 14,654.94 = 6,426.84 : x
  2. Step 2: Convert to fraction form
    10,618.52/14,654.94 = 6,426.84/x
  3. Step 3: Cross multiply
    10,618.52x = 14,654.94 × 6,426.84
  4. Step 4: Simplify right side
    10,618.52x = 94,184,954.59
  5. Step 5: Solve for x
    x = 94,184,954.59/10,618.52
  6. Step 6: Final answer
    x = 8,869.88

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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.