Home / 20,361.07-30,527.03-9,980.11

Finding the Fourth Proportional to 20,361.07, 30,527.03 and 9,980.11

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Solution

The fourth proportional to 20,361.07, 30,527.03 and 9,980.11 is: 14,963.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361.07 : 30,527.03 = 9,980.11 : x
  2. Step 2: Convert to fraction form
    20,361.07/30,527.03 = 9,980.11/x
  3. Step 3: Cross multiply
    20,361.07x = 30,527.03 × 9,980.11
  4. Step 4: Simplify right side
    20,361.07x = 304,663,124.34
  5. Step 5: Solve for x
    x = 304,663,124.34/20,361.07
  6. Step 6: Final answer
    x = 14,963.02

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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.