Home / 9,020.90-13,519.58-6,530.48

Finding the Fourth Proportional to 9,020.90, 13,519.58 and 6,530.48

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Solution

The fourth proportional to 9,020.90, 13,519.58 and 6,530.48 is: 9,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.90 : 13,519.58 = 6,530.48 : x
  2. Step 2: Convert to fraction form
    9,020.90/13,519.58 = 6,530.48/x
  3. Step 3: Cross multiply
    9,020.90x = 13,519.58 × 6,530.48
  4. Step 4: Simplify right side
    9,020.90x = 88,289,246.55
  5. Step 5: Solve for x
    x = 88,289,246.55/9,020.90
  6. Step 6: Final answer
    x = 9,787.19

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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.