Home / 30,187.01-45,280.94-9,127.22

Finding the Fourth Proportional to 30,187.01, 45,280.94 and 9,127.22

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Solution

The fourth proportional to 30,187.01, 45,280.94 and 9,127.22 is: 13,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.01 : 45,280.94 = 9,127.22 : x
  2. Step 2: Convert to fraction form
    30,187.01/45,280.94 = 9,127.22/x
  3. Step 3: Cross multiply
    30,187.01x = 45,280.94 × 9,127.22
  4. Step 4: Simplify right side
    30,187.01x = 413,288,829.15
  5. Step 5: Solve for x
    x = 413,288,829.15/30,187.01
  6. Step 6: Final answer
    x = 13,690.95

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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.