Home / 18,994.02-28,478.67-6,342.22

Finding the Fourth Proportional to 18,994.02, 28,478.67 and 6,342.22

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Solution

The fourth proportional to 18,994.02, 28,478.67 and 6,342.22 is: 9,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994.02 : 28,478.67 = 6,342.22 : x
  2. Step 2: Convert to fraction form
    18,994.02/28,478.67 = 6,342.22/x
  3. Step 3: Cross multiply
    18,994.02x = 28,478.67 × 6,342.22
  4. Step 4: Simplify right side
    18,994.02x = 180,617,990.45
  5. Step 5: Solve for x
    x = 180,617,990.45/18,994.02
  6. Step 6: Final answer
    x = 9,509.20

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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.