Home / 10,257.43-14,155.26-5,541.71

Finding the Fourth Proportional to 10,257.43, 14,155.26 and 5,541.71

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Solution

The fourth proportional to 10,257.43, 14,155.26 and 5,541.71 is: 7,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.43 : 14,155.26 = 5,541.71 : x
  2. Step 2: Convert to fraction form
    10,257.43/14,155.26 = 5,541.71/x
  3. Step 3: Cross multiply
    10,257.43x = 14,155.26 × 5,541.71
  4. Step 4: Simplify right side
    10,257.43x = 78,444,381.28
  5. Step 5: Solve for x
    x = 78,444,381.28/10,257.43
  6. Step 6: Final answer
    x = 7,647.57

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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.