Home / 9,360.09-12,916.85-5,168.25

Finding the Fourth Proportional to 9,360.09, 12,916.85 and 5,168.25

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Solution

The fourth proportional to 9,360.09, 12,916.85 and 5,168.25 is: 7,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.09 : 12,916.85 = 5,168.25 : x
  2. Step 2: Convert to fraction form
    9,360.09/12,916.85 = 5,168.25/x
  3. Step 3: Cross multiply
    9,360.09x = 12,916.85 × 5,168.25
  4. Step 4: Simplify right side
    9,360.09x = 66,757,484.17
  5. Step 5: Solve for x
    x = 66,757,484.17/9,360.09
  6. Step 6: Final answer
    x = 7,132.14

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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.