Home / 10,721.20-14,795.36-6,005.76

Finding the Fourth Proportional to 10,721.20, 14,795.36 and 6,005.76

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Solution

The fourth proportional to 10,721.20, 14,795.36 and 6,005.76 is: 8,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.20 : 14,795.36 = 6,005.76 : x
  2. Step 2: Convert to fraction form
    10,721.20/14,795.36 = 6,005.76/x
  3. Step 3: Cross multiply
    10,721.20x = 14,795.36 × 6,005.76
  4. Step 4: Simplify right side
    10,721.20x = 88,857,381.27
  5. Step 5: Solve for x
    x = 88,857,381.27/10,721.20
  6. Step 6: Final answer
    x = 8,288.01

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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.