Home / 9,360.18-12,916.89-5,168.34

Finding the Fourth Proportional to 9,360.18, 12,916.89 and 5,168.34

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Solution

The fourth proportional to 9,360.18, 12,916.89 and 5,168.34 is: 7,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.18 : 12,916.89 = 5,168.34 : x
  2. Step 2: Convert to fraction form
    9,360.18/12,916.89 = 5,168.34/x
  3. Step 3: Cross multiply
    9,360.18x = 12,916.89 × 5,168.34
  4. Step 4: Simplify right side
    9,360.18x = 66,758,879.26
  5. Step 5: Solve for x
    x = 66,758,879.26/9,360.18
  6. Step 6: Final answer
    x = 7,132.22

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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.