Home / 9,376.08-12,938.97-5,395.74

Finding the Fourth Proportional to 9,376.08, 12,938.97 and 5,395.74

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Solution

The fourth proportional to 9,376.08, 12,938.97 and 5,395.74 is: 7,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.08 : 12,938.97 = 5,395.74 : x
  2. Step 2: Convert to fraction form
    9,376.08/12,938.97 = 5,395.74/x
  3. Step 3: Cross multiply
    9,376.08x = 12,938.97 × 5,395.74
  4. Step 4: Simplify right side
    9,376.08x = 69,815,317.99
  5. Step 5: Solve for x
    x = 69,815,317.99/9,376.08
  6. Step 6: Final answer
    x = 7,446.11

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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.