Home / 9,350.02-12,876.78-9,145.90

Finding the Fourth Proportional to 9,350.02, 12,876.78 and 9,145.90

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Solution

The fourth proportional to 9,350.02, 12,876.78 and 9,145.90 is: 12,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.02 : 12,876.78 = 9,145.90 : x
  2. Step 2: Convert to fraction form
    9,350.02/12,876.78 = 9,145.90/x
  3. Step 3: Cross multiply
    9,350.02x = 12,876.78 × 9,145.90
  4. Step 4: Simplify right side
    9,350.02x = 117,769,742.20
  5. Step 5: Solve for x
    x = 117,769,742.20/9,350.02
  6. Step 6: Final answer
    x = 12,595.67

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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.