Home / 16,501.74-22,772.46-9,790.70

Finding the Fourth Proportional to 16,501.74, 22,772.46 and 9,790.70

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Solution

The fourth proportional to 16,501.74, 22,772.46 and 9,790.70 is: 13,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,501.74 : 22,772.46 = 9,790.70 : x
  2. Step 2: Convert to fraction form
    16,501.74/22,772.46 = 9,790.70/x
  3. Step 3: Cross multiply
    16,501.74x = 22,772.46 × 9,790.70
  4. Step 4: Simplify right side
    16,501.74x = 222,958,210.26
  5. Step 5: Solve for x
    x = 222,958,210.26/16,501.74
  6. Step 6: Final answer
    x = 13,511.19

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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.