Home / 18,830.82-28,248.58-5,683.16

Finding the Fourth Proportional to 18,830.82, 28,248.58 and 5,683.16

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Solution

The fourth proportional to 18,830.82, 28,248.58 and 5,683.16 is: 8,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.82 : 28,248.58 = 5,683.16 : x
  2. Step 2: Convert to fraction form
    18,830.82/28,248.58 = 5,683.16/x
  3. Step 3: Cross multiply
    18,830.82x = 28,248.58 × 5,683.16
  4. Step 4: Simplify right side
    18,830.82x = 160,541,199.91
  5. Step 5: Solve for x
    x = 160,541,199.91/18,830.82
  6. Step 6: Final answer
    x = 8,525.45

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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.