Home / 20,362.19-30,521.96-8,522.74

Finding the Fourth Proportional to 20,362.19, 30,521.96 and 8,522.74

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Solution

The fourth proportional to 20,362.19, 30,521.96 and 8,522.74 is: 12,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362.19 : 30,521.96 = 8,522.74 : x
  2. Step 2: Convert to fraction form
    20,362.19/30,521.96 = 8,522.74/x
  3. Step 3: Cross multiply
    20,362.19x = 30,521.96 × 8,522.74
  4. Step 4: Simplify right side
    20,362.19x = 260,130,610.45
  5. Step 5: Solve for x
    x = 260,130,610.45/20,362.19
  6. Step 6: Final answer
    x = 12,775.18

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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.