Home / 18,683.82-28,025.12-7,590.24

Finding the Fourth Proportional to 18,683.82, 28,025.12 and 7,590.24

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Solution

The fourth proportional to 18,683.82, 28,025.12 and 7,590.24 is: 11,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.82 : 28,025.12 = 7,590.24 : x
  2. Step 2: Convert to fraction form
    18,683.82/28,025.12 = 7,590.24/x
  3. Step 3: Cross multiply
    18,683.82x = 28,025.12 × 7,590.24
  4. Step 4: Simplify right side
    18,683.82x = 212,717,386.83
  5. Step 5: Solve for x
    x = 212,717,386.83/18,683.82
  6. Step 6: Final answer
    x = 11,385.11

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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.