Home / 19,065.42-28,616.76-10,319.04

Finding the Fourth Proportional to 19,065.42, 28,616.76 and 10,319.04

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Solution

The fourth proportional to 19,065.42, 28,616.76 and 10,319.04 is: 15,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.42 : 28,616.76 = 10,319.04 : x
  2. Step 2: Convert to fraction form
    19,065.42/28,616.76 = 10,319.04/x
  3. Step 3: Cross multiply
    19,065.42x = 28,616.76 × 10,319.04
  4. Step 4: Simplify right side
    19,065.42x = 295,297,491.11
  5. Step 5: Solve for x
    x = 295,297,491.11/19,065.42
  6. Step 6: Final answer
    x = 15,488.64

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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.