Home / 19,230.89-28,853.15-8,703.18

Finding the Fourth Proportional to 19,230.89, 28,853.15 and 8,703.18

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Solution

The fourth proportional to 19,230.89, 28,853.15 and 8,703.18 is: 13,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.89 : 28,853.15 = 8,703.18 : x
  2. Step 2: Convert to fraction form
    19,230.89/28,853.15 = 8,703.18/x
  3. Step 3: Cross multiply
    19,230.89x = 28,853.15 × 8,703.18
  4. Step 4: Simplify right side
    19,230.89x = 251,114,114.50
  5. Step 5: Solve for x
    x = 251,114,114.50/19,230.89
  6. Step 6: Final answer
    x = 13,057.86

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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.