Home / 18,753.32-28,124.31-6,270.14

Finding the Fourth Proportional to 18,753.32, 28,124.31 and 6,270.14

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Solution

The fourth proportional to 18,753.32, 28,124.31 and 6,270.14 is: 9,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753.32 : 28,124.31 = 6,270.14 : x
  2. Step 2: Convert to fraction form
    18,753.32/28,124.31 = 6,270.14/x
  3. Step 3: Cross multiply
    18,753.32x = 28,124.31 × 6,270.14
  4. Step 4: Simplify right side
    18,753.32x = 176,343,361.10
  5. Step 5: Solve for x
    x = 176,343,361.10/18,753.32
  6. Step 6: Final answer
    x = 9,403.31

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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.