Home / 12,535.58-17,299.31-6,870.87

Finding the Fourth Proportional to 12,535.58, 17,299.31 and 6,870.87

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Solution

The fourth proportional to 12,535.58, 17,299.31 and 6,870.87 is: 9,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.58 : 17,299.31 = 6,870.87 : x
  2. Step 2: Convert to fraction form
    12,535.58/17,299.31 = 6,870.87/x
  3. Step 3: Cross multiply
    12,535.58x = 17,299.31 × 6,870.87
  4. Step 4: Simplify right side
    12,535.58x = 118,861,275.75
  5. Step 5: Solve for x
    x = 118,861,275.75/12,535.58
  6. Step 6: Final answer
    x = 9,481.91

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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.