Home / 18,763.17-28,140.30-5,612.01

Finding the Fourth Proportional to 18,763.17, 28,140.30 and 5,612.01

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Solution

The fourth proportional to 18,763.17, 28,140.30 and 5,612.01 is: 8,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.17 : 28,140.30 = 5,612.01 : x
  2. Step 2: Convert to fraction form
    18,763.17/28,140.30 = 5,612.01/x
  3. Step 3: Cross multiply
    18,763.17x = 28,140.30 × 5,612.01
  4. Step 4: Simplify right side
    18,763.17x = 157,923,645.00
  5. Step 5: Solve for x
    x = 157,923,645.00/18,763.17
  6. Step 6: Final answer
    x = 8,416.68

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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.