Home / 10,674.12-14,731.56-6,138.48

Finding the Fourth Proportional to 10,674.12, 14,731.56 and 6,138.48

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Solution

The fourth proportional to 10,674.12, 14,731.56 and 6,138.48 is: 8,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,674.12 : 14,731.56 = 6,138.48 : x
  2. Step 2: Convert to fraction form
    10,674.12/14,731.56 = 6,138.48/x
  3. Step 3: Cross multiply
    10,674.12x = 14,731.56 × 6,138.48
  4. Step 4: Simplify right side
    10,674.12x = 90,429,386.43
  5. Step 5: Solve for x
    x = 90,429,386.43/10,674.12
  6. Step 6: Final answer
    x = 8,471.84

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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.