Home / 10,964.17-15,133.05-6,490.54

Finding the Fourth Proportional to 10,964.17, 15,133.05 and 6,490.54

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Solution

The fourth proportional to 10,964.17, 15,133.05 and 6,490.54 is: 8,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.17 : 15,133.05 = 6,490.54 : x
  2. Step 2: Convert to fraction form
    10,964.17/15,133.05 = 6,490.54/x
  3. Step 3: Cross multiply
    10,964.17x = 15,133.05 × 6,490.54
  4. Step 4: Simplify right side
    10,964.17x = 98,221,558.23
  5. Step 5: Solve for x
    x = 98,221,558.23/10,964.17
  6. Step 6: Final answer
    x = 8,958.42

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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.