Home / 9,547.38-13,172.22-5,771.70

Finding the Fourth Proportional to 9,547.38, 13,172.22 and 5,771.70

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Solution

The fourth proportional to 9,547.38, 13,172.22 and 5,771.70 is: 7,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,547.38 : 13,172.22 = 5,771.70 : x
  2. Step 2: Convert to fraction form
    9,547.38/13,172.22 = 5,771.70/x
  3. Step 3: Cross multiply
    9,547.38x = 13,172.22 × 5,771.70
  4. Step 4: Simplify right side
    9,547.38x = 76,026,102.17
  5. Step 5: Solve for x
    x = 76,026,102.17/9,547.38
  6. Step 6: Final answer
    x = 7,963.03

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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.