Home / 9,376.74-12,938.94-5,397.08

Finding the Fourth Proportional to 9,376.74, 12,938.94 and 5,397.08

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Solution

The fourth proportional to 9,376.74, 12,938.94 and 5,397.08 is: 7,447.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.74 : 12,938.94 = 5,397.08 : x
  2. Step 2: Convert to fraction form
    9,376.74/12,938.94 = 5,397.08/x
  3. Step 3: Cross multiply
    9,376.74x = 12,938.94 × 5,397.08
  4. Step 4: Simplify right side
    9,376.74x = 69,832,429.60
  5. Step 5: Solve for x
    x = 69,832,429.60/9,376.74
  6. Step 6: Final answer
    x = 7,447.41

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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.