Home / 10,998.79-16,495.66-6,557.71

Finding the Fourth Proportional to 10,998.79, 16,495.66 and 6,557.71

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Solution

The fourth proportional to 10,998.79, 16,495.66 and 6,557.71 is: 9,835.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.79 : 16,495.66 = 6,557.71 : x
  2. Step 2: Convert to fraction form
    10,998.79/16,495.66 = 6,557.71/x
  3. Step 3: Cross multiply
    10,998.79x = 16,495.66 × 6,557.71
  4. Step 4: Simplify right side
    10,998.79x = 108,173,754.54
  5. Step 5: Solve for x
    x = 108,173,754.54/10,998.79
  6. Step 6: Final answer
    x = 9,835.06

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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.