Home / 10,645.87-14,686.89-6,338.08

Finding the Fourth Proportional to 10,645.87, 14,686.89 and 6,338.08

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Solution

The fourth proportional to 10,645.87, 14,686.89 and 6,338.08 is: 8,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.87 : 14,686.89 = 6,338.08 : x
  2. Step 2: Convert to fraction form
    10,645.87/14,686.89 = 6,338.08/x
  3. Step 3: Cross multiply
    10,645.87x = 14,686.89 × 6,338.08
  4. Step 4: Simplify right side
    10,645.87x = 93,086,683.77
  5. Step 5: Solve for x
    x = 93,086,683.77/10,645.87
  6. Step 6: Final answer
    x = 8,743.92

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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.