Home / 20,889.48-31,337.16-6,099.49

Finding the Fourth Proportional to 20,889.48, 31,337.16 and 6,099.49

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Solution

The fourth proportional to 20,889.48, 31,337.16 and 6,099.49 is: 9,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,889.48 : 31,337.16 = 6,099.49 : x
  2. Step 2: Convert to fraction form
    20,889.48/31,337.16 = 6,099.49/x
  3. Step 3: Cross multiply
    20,889.48x = 31,337.16 × 6,099.49
  4. Step 4: Simplify right side
    20,889.48x = 191,140,506.87
  5. Step 5: Solve for x
    x = 191,140,506.87/20,889.48
  6. Step 6: Final answer
    x = 9,150.08

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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.