Home / 20,666.54-30,999.51-5,084.17

Finding the Fourth Proportional to 20,666.54, 30,999.51 and 5,084.17

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Solution

The fourth proportional to 20,666.54, 30,999.51 and 5,084.17 is: 7,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,666.54 : 30,999.51 = 5,084.17 : x
  2. Step 2: Convert to fraction form
    20,666.54/30,999.51 = 5,084.17/x
  3. Step 3: Cross multiply
    20,666.54x = 30,999.51 × 5,084.17
  4. Step 4: Simplify right side
    20,666.54x = 157,606,701.26
  5. Step 5: Solve for x
    x = 157,606,701.26/20,666.54
  6. Step 6: Final answer
    x = 7,626.18

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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.