Home / 10,338.32-14,271.78-6,614.48

Finding the Fourth Proportional to 10,338.32, 14,271.78 and 6,614.48

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Solution

The fourth proportional to 10,338.32, 14,271.78 and 6,614.48 is: 9,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.32 : 14,271.78 = 6,614.48 : x
  2. Step 2: Convert to fraction form
    10,338.32/14,271.78 = 6,614.48/x
  3. Step 3: Cross multiply
    10,338.32x = 14,271.78 × 6,614.48
  4. Step 4: Simplify right side
    10,338.32x = 94,400,403.37
  5. Step 5: Solve for x
    x = 94,400,403.37/10,338.32
  6. Step 6: Final answer
    x = 9,131.12

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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.