Home / 20,277.86-30,417.62-6,960.00

Finding the Fourth Proportional to 20,277.86, 30,417.62 and 6,960.00

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Solution

The fourth proportional to 20,277.86, 30,417.62 and 6,960.00 is: 10,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.86 : 30,417.62 = 6,960.00 : x
  2. Step 2: Convert to fraction form
    20,277.86/30,417.62 = 6,960.00/x
  3. Step 3: Cross multiply
    20,277.86x = 30,417.62 × 6,960.00
  4. Step 4: Simplify right side
    20,277.86x = 211,706,582.52
  5. Step 5: Solve for x
    x = 211,706,582.52/20,277.86
  6. Step 6: Final answer
    x = 10,440.28

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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.