Home / 19,373.74-29,078.80-9,520.09

Finding the Fourth Proportional to 19,373.74, 29,078.80 and 9,520.09

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Solution

The fourth proportional to 19,373.74, 29,078.80 and 9,520.09 is: 14,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.74 : 29,078.80 = 9,520.09 : x
  2. Step 2: Convert to fraction form
    19,373.74/29,078.80 = 9,520.09/x
  3. Step 3: Cross multiply
    19,373.74x = 29,078.80 × 9,520.09
  4. Step 4: Simplify right side
    19,373.74x = 276,832,696.59
  5. Step 5: Solve for x
    x = 276,832,696.59/19,373.74
  6. Step 6: Final answer
    x = 14,289.07

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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.