Home / 20,331.64-30,483.06-7,841.08

Finding the Fourth Proportional to 20,331.64, 30,483.06 and 7,841.08

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Solution

The fourth proportional to 20,331.64, 30,483.06 and 7,841.08 is: 11,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331.64 : 30,483.06 = 7,841.08 : x
  2. Step 2: Convert to fraction form
    20,331.64/30,483.06 = 7,841.08/x
  3. Step 3: Cross multiply
    20,331.64x = 30,483.06 × 7,841.08
  4. Step 4: Simplify right side
    20,331.64x = 239,020,112.10
  5. Step 5: Solve for x
    x = 239,020,112.10/20,331.64
  6. Step 6: Final answer
    x = 11,756.07

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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.