Home / 10,276.40-14,178.78-6,296.08

Finding the Fourth Proportional to 10,276.40, 14,178.78 and 6,296.08

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Solution

The fourth proportional to 10,276.40, 14,178.78 and 6,296.08 is: 8,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.40 : 14,178.78 = 6,296.08 : x
  2. Step 2: Convert to fraction form
    10,276.40/14,178.78 = 6,296.08/x
  3. Step 3: Cross multiply
    10,276.40x = 14,178.78 × 6,296.08
  4. Step 4: Simplify right side
    10,276.40x = 89,270,733.18
  5. Step 5: Solve for x
    x = 89,270,733.18/10,276.40
  6. Step 6: Final answer
    x = 8,686.97

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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.