Home / 10,410.26-14,360.31-6,428.57

Finding the Fourth Proportional to 10,410.26, 14,360.31 and 6,428.57

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Solution

The fourth proportional to 10,410.26, 14,360.31 and 6,428.57 is: 8,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.26 : 14,360.31 = 6,428.57 : x
  2. Step 2: Convert to fraction form
    10,410.26/14,360.31 = 6,428.57/x
  3. Step 3: Cross multiply
    10,410.26x = 14,360.31 × 6,428.57
  4. Step 4: Simplify right side
    10,410.26x = 92,316,186.26
  5. Step 5: Solve for x
    x = 92,316,186.26/10,410.26
  6. Step 6: Final answer
    x = 8,867.81

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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.