Home / 13,417.04-20,121.01-5,095.05

Finding the Fourth Proportional to 13,417.04, 20,121.01 and 5,095.05

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Solution

The fourth proportional to 13,417.04, 20,121.01 and 5,095.05 is: 7,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.04 : 20,121.01 = 5,095.05 : x
  2. Step 2: Convert to fraction form
    13,417.04/20,121.01 = 5,095.05/x
  3. Step 3: Cross multiply
    13,417.04x = 20,121.01 × 5,095.05
  4. Step 4: Simplify right side
    13,417.04x = 102,517,576.99
  5. Step 5: Solve for x
    x = 102,517,576.99/13,417.04
  6. Step 6: Final answer
    x = 7,640.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.