Home / 9,018.37-12,445.11-5,039.52

Finding the Fourth Proportional to 9,018.37, 12,445.11 and 5,039.52

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Solution

The fourth proportional to 9,018.37, 12,445.11 and 5,039.52 is: 6,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.37 : 12,445.11 = 5,039.52 : x
  2. Step 2: Convert to fraction form
    9,018.37/12,445.11 = 5,039.52/x
  3. Step 3: Cross multiply
    9,018.37x = 12,445.11 × 5,039.52
  4. Step 4: Simplify right side
    9,018.37x = 62,717,318.52
  5. Step 5: Solve for x
    x = 62,717,318.52/9,018.37
  6. Step 6: Final answer
    x = 6,954.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.