Home / 10,403.39-14,358-5,928.75

Finding the Fourth Proportional to 10,403.39, 14,358 and 5,928.75

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Solution

The fourth proportional to 10,403.39, 14,358 and 5,928.75 is: 8,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.39 : 14,358 = 5,928.75 : x
  2. Step 2: Convert to fraction form
    10,403.39/14,358 = 5,928.75/x
  3. Step 3: Cross multiply
    10,403.39x = 14,358 × 5,928.75
  4. Step 4: Simplify right side
    10,403.39x = 85,124,992.50
  5. Step 5: Solve for x
    x = 85,124,992.50/10,403.39
  6. Step 6: Final answer
    x = 8,182.43

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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.