Home / 13,099.92-18,095.58-10,465.80

Finding the Fourth Proportional to 13,099.92, 18,095.58 and 10,465.80

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Solution

The fourth proportional to 13,099.92, 18,095.58 and 10,465.80 is: 14,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.92 : 18,095.58 = 10,465.80 : x
  2. Step 2: Convert to fraction form
    13,099.92/18,095.58 = 10,465.80/x
  3. Step 3: Cross multiply
    13,099.92x = 18,095.58 × 10,465.80
  4. Step 4: Simplify right side
    13,099.92x = 189,384,721.16
  5. Step 5: Solve for x
    x = 189,384,721.16/13,099.92
  6. Step 6: Final answer
    x = 14,456.94

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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.