Home / 20,887.36-31,332.48-6,096.40

Finding the Fourth Proportional to 20,887.36, 31,332.48 and 6,096.40

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Solution

The fourth proportional to 20,887.36, 31,332.48 and 6,096.40 is: 9,145.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,887.36 : 31,332.48 = 6,096.40 : x
  2. Step 2: Convert to fraction form
    20,887.36/31,332.48 = 6,096.40/x
  3. Step 3: Cross multiply
    20,887.36x = 31,332.48 × 6,096.40
  4. Step 4: Simplify right side
    20,887.36x = 191,015,331.07
  5. Step 5: Solve for x
    x = 191,015,331.07/20,887.36
  6. Step 6: Final answer
    x = 9,145.02

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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.