Home / 14,838.80-22,245.40-8,989.20

Finding the Fourth Proportional to 14,838.80, 22,245.40 and 8,989.20

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Solution

The fourth proportional to 14,838.80, 22,245.40 and 8,989.20 is: 13,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.80 : 22,245.40 = 8,989.20 : x
  2. Step 2: Convert to fraction form
    14,838.80/22,245.40 = 8,989.20/x
  3. Step 3: Cross multiply
    14,838.80x = 22,245.40 × 8,989.20
  4. Step 4: Simplify right side
    14,838.80x = 199,968,349.68
  5. Step 5: Solve for x
    x = 199,968,349.68/14,838.80
  6. Step 6: Final answer
    x = 13,476.05

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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.