Home / 10,953.57-15,115.77-6,237.75

Finding the Fourth Proportional to 10,953.57, 15,115.77 and 6,237.75

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Solution

The fourth proportional to 10,953.57, 15,115.77 and 6,237.75 is: 8,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.57 : 15,115.77 = 6,237.75 : x
  2. Step 2: Convert to fraction form
    10,953.57/15,115.77 = 6,237.75/x
  3. Step 3: Cross multiply
    10,953.57x = 15,115.77 × 6,237.75
  4. Step 4: Simplify right side
    10,953.57x = 94,288,394.32
  5. Step 5: Solve for x
    x = 94,288,394.32/10,953.57
  6. Step 6: Final answer
    x = 8,608.01

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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.