Home / 19,069.18-28,603.62-5,742.14

Finding the Fourth Proportional to 19,069.18, 28,603.62 and 5,742.14

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Solution

The fourth proportional to 19,069.18, 28,603.62 and 5,742.14 is: 8,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.18 : 28,603.62 = 5,742.14 : x
  2. Step 2: Convert to fraction form
    19,069.18/28,603.62 = 5,742.14/x
  3. Step 3: Cross multiply
    19,069.18x = 28,603.62 × 5,742.14
  4. Step 4: Simplify right side
    19,069.18x = 164,245,990.55
  5. Step 5: Solve for x
    x = 164,245,990.55/19,069.18
  6. Step 6: Final answer
    x = 8,613.16

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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.