Home / 9,018.90-13,528.44-2,445.21

Finding the Fourth Proportional to 9,018.90, 13,528.44 and 2,445.21

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Solution

The fourth proportional to 9,018.90, 13,528.44 and 2,445.21 is: 3,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.90 : 13,528.44 = 2,445.21 : x
  2. Step 2: Convert to fraction form
    9,018.90/13,528.44 = 2,445.21/x
  3. Step 3: Cross multiply
    9,018.90x = 13,528.44 × 2,445.21
  4. Step 4: Simplify right side
    9,018.90x = 33,079,876.77
  5. Step 5: Solve for x
    x = 33,079,876.77/9,018.90
  6. Step 6: Final answer
    x = 3,667.84

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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.