Home / 9,395.11-12,965.39-5,146.08

Finding the Fourth Proportional to 9,395.11, 12,965.39 and 5,146.08

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Solution

The fourth proportional to 9,395.11, 12,965.39 and 5,146.08 is: 7,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,395.11 : 12,965.39 = 5,146.08 : x
  2. Step 2: Convert to fraction form
    9,395.11/12,965.39 = 5,146.08/x
  3. Step 3: Cross multiply
    9,395.11x = 12,965.39 × 5,146.08
  4. Step 4: Simplify right side
    9,395.11x = 66,720,966.52
  5. Step 5: Solve for x
    x = 66,720,966.52/9,395.11
  6. Step 6: Final answer
    x = 7,101.67

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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.