Home / 19,017.18-28,523.34-8,626.50

Finding the Fourth Proportional to 19,017.18, 28,523.34 and 8,626.50

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Solution

The fourth proportional to 19,017.18, 28,523.34 and 8,626.50 is: 12,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.18 : 28,523.34 = 8,626.50 : x
  2. Step 2: Convert to fraction form
    19,017.18/28,523.34 = 8,626.50/x
  3. Step 3: Cross multiply
    19,017.18x = 28,523.34 × 8,626.50
  4. Step 4: Simplify right side
    19,017.18x = 246,056,592.51
  5. Step 5: Solve for x
    x = 246,056,592.51/19,017.18
  6. Step 6: Final answer
    x = 12,938.65

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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.