Home / 13,285.76-19,929.85-6,707.75

Finding the Fourth Proportional to 13,285.76, 19,929.85 and 6,707.75

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Solution

The fourth proportional to 13,285.76, 19,929.85 and 6,707.75 is: 10,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.76 : 19,929.85 = 6,707.75 : x
  2. Step 2: Convert to fraction form
    13,285.76/19,929.85 = 6,707.75/x
  3. Step 3: Cross multiply
    13,285.76x = 19,929.85 × 6,707.75
  4. Step 4: Simplify right side
    13,285.76x = 133,684,334.92
  5. Step 5: Solve for x
    x = 133,684,334.92/13,285.76
  6. Step 6: Final answer
    x = 10,062.23

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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.