Home / 13,484.94-18,607.91-7,516.05

Finding the Fourth Proportional to 13,484.94, 18,607.91 and 7,516.05

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Solution

The fourth proportional to 13,484.94, 18,607.91 and 7,516.05 is: 10,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.94 : 18,607.91 = 7,516.05 : x
  2. Step 2: Convert to fraction form
    13,484.94/18,607.91 = 7,516.05/x
  3. Step 3: Cross multiply
    13,484.94x = 18,607.91 × 7,516.05
  4. Step 4: Simplify right side
    13,484.94x = 139,857,944.38
  5. Step 5: Solve for x
    x = 139,857,944.38/13,484.94
  6. Step 6: Final answer
    x = 10,371.42

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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.