Home / 16,705.40-23,053.20-9,151.70

Finding the Fourth Proportional to 16,705.40, 23,053.20 and 9,151.70

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Solution

The fourth proportional to 16,705.40, 23,053.20 and 9,151.70 is: 12,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,705.40 : 23,053.20 = 9,151.70 : x
  2. Step 2: Convert to fraction form
    16,705.40/23,053.20 = 9,151.70/x
  3. Step 3: Cross multiply
    16,705.40x = 23,053.20 × 9,151.70
  4. Step 4: Simplify right side
    16,705.40x = 210,975,970.44
  5. Step 5: Solve for x
    x = 210,975,970.44/16,705.40
  6. Step 6: Final answer
    x = 12,629.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.