Home / 13,484.64-18,608.29-7,516.02

Finding the Fourth Proportional to 13,484.64, 18,608.29 and 7,516.02

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Solution

The fourth proportional to 13,484.64, 18,608.29 and 7,516.02 is: 10,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.64 : 18,608.29 = 7,516.02 : x
  2. Step 2: Convert to fraction form
    13,484.64/18,608.29 = 7,516.02/x
  3. Step 3: Cross multiply
    13,484.64x = 18,608.29 × 7,516.02
  4. Step 4: Simplify right side
    13,484.64x = 139,860,279.81
  5. Step 5: Solve for x
    x = 139,860,279.81/13,484.64
  6. Step 6: Final answer
    x = 10,371.82

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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.