Home / 12,866.04-19,288.97-5,080.68

Finding the Fourth Proportional to 12,866.04, 19,288.97 and 5,080.68

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Solution

The fourth proportional to 12,866.04, 19,288.97 and 5,080.68 is: 7,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866.04 : 19,288.97 = 5,080.68 : x
  2. Step 2: Convert to fraction form
    12,866.04/19,288.97 = 5,080.68/x
  3. Step 3: Cross multiply
    12,866.04x = 19,288.97 × 5,080.68
  4. Step 4: Simplify right side
    12,866.04x = 98,001,084.10
  5. Step 5: Solve for x
    x = 98,001,084.10/12,866.04
  6. Step 6: Final answer
    x = 7,617.04

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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.