Home / 20,149.02-30,225.58-9,617.24

Finding the Fourth Proportional to 20,149.02, 30,225.58 and 9,617.24

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Solution

The fourth proportional to 20,149.02, 30,225.58 and 9,617.24 is: 14,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149.02 : 30,225.58 = 9,617.24 : x
  2. Step 2: Convert to fraction form
    20,149.02/30,225.58 = 9,617.24/x
  3. Step 3: Cross multiply
    20,149.02x = 30,225.58 × 9,617.24
  4. Step 4: Simplify right side
    20,149.02x = 290,686,657.00
  5. Step 5: Solve for x
    x = 290,686,657.00/20,149.02
  6. Step 6: Final answer
    x = 14,426.84

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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.