Home / 10,427.88-15,637.95-3,406.26

Finding the Fourth Proportional to 10,427.88, 15,637.95 and 3,406.26

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Solution

The fourth proportional to 10,427.88, 15,637.95 and 3,406.26 is: 5,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.88 : 15,637.95 = 3,406.26 : x
  2. Step 2: Convert to fraction form
    10,427.88/15,637.95 = 3,406.26/x
  3. Step 3: Cross multiply
    10,427.88x = 15,637.95 × 3,406.26
  4. Step 4: Simplify right side
    10,427.88x = 53,266,923.57
  5. Step 5: Solve for x
    x = 53,266,923.57/10,427.88
  6. Step 6: Final answer
    x = 5,108.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.