Home / 19,317.06-28,975.59-8,936.10

Finding the Fourth Proportional to 19,317.06, 28,975.59 and 8,936.10

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Solution

The fourth proportional to 19,317.06, 28,975.59 and 8,936.10 is: 13,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.06 : 28,975.59 = 8,936.10 : x
  2. Step 2: Convert to fraction form
    19,317.06/28,975.59 = 8,936.10/x
  3. Step 3: Cross multiply
    19,317.06x = 28,975.59 × 8,936.10
  4. Step 4: Simplify right side
    19,317.06x = 258,928,769.80
  5. Step 5: Solve for x
    x = 258,928,769.80/19,317.06
  6. Step 6: Final answer
    x = 13,404.15

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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.