Home / 10,513.77-15,751.51-6,117.90

Finding the Fourth Proportional to 10,513.77, 15,751.51 and 6,117.90

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Solution

The fourth proportional to 10,513.77, 15,751.51 and 6,117.90 is: 9,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.77 : 15,751.51 = 6,117.90 : x
  2. Step 2: Convert to fraction form
    10,513.77/15,751.51 = 6,117.90/x
  3. Step 3: Cross multiply
    10,513.77x = 15,751.51 × 6,117.90
  4. Step 4: Simplify right side
    10,513.77x = 96,366,163.03
  5. Step 5: Solve for x
    x = 96,366,163.03/10,513.77
  6. Step 6: Final answer
    x = 9,165.71

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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.