Home / 12,535.40-17,299.30-6,869.80

Finding the Fourth Proportional to 12,535.40, 17,299.30 and 6,869.80

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Solution

The fourth proportional to 12,535.40, 17,299.30 and 6,869.80 is: 9,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.40 : 17,299.30 = 6,869.80 : x
  2. Step 2: Convert to fraction form
    12,535.40/17,299.30 = 6,869.80/x
  3. Step 3: Cross multiply
    12,535.40x = 17,299.30 × 6,869.80
  4. Step 4: Simplify right side
    12,535.40x = 118,842,731.14
  5. Step 5: Solve for x
    x = 118,842,731.14/12,535.40
  6. Step 6: Final answer
    x = 9,480.57

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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.