Home / 10,427.37-14,389.84-5,711.64

Finding the Fourth Proportional to 10,427.37, 14,389.84 and 5,711.64

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Solution

The fourth proportional to 10,427.37, 14,389.84 and 5,711.64 is: 7,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.37 : 14,389.84 = 5,711.64 : x
  2. Step 2: Convert to fraction form
    10,427.37/14,389.84 = 5,711.64/x
  3. Step 3: Cross multiply
    10,427.37x = 14,389.84 × 5,711.64
  4. Step 4: Simplify right side
    10,427.37x = 82,189,585.74
  5. Step 5: Solve for x
    x = 82,189,585.74/10,427.37
  6. Step 6: Final answer
    x = 7,882.10

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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.