Home / 19,247.04-28,880.12-10,808.30

Finding the Fourth Proportional to 19,247.04, 28,880.12 and 10,808.30

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Solution

The fourth proportional to 19,247.04, 28,880.12 and 10,808.30 is: 16,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.04 : 28,880.12 = 10,808.30 : x
  2. Step 2: Convert to fraction form
    19,247.04/28,880.12 = 10,808.30/x
  3. Step 3: Cross multiply
    19,247.04x = 28,880.12 × 10,808.30
  4. Step 4: Simplify right side
    19,247.04x = 312,145,100.22
  5. Step 5: Solve for x
    x = 312,145,100.22/19,247.04
  6. Step 6: Final answer
    x = 16,217.82

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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.