Home / 12,916.48-17,833.30-9,926.80

Finding the Fourth Proportional to 12,916.48, 17,833.30 and 9,926.80

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Solution

The fourth proportional to 12,916.48, 17,833.30 and 9,926.80 is: 13,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.48 : 17,833.30 = 9,926.80 : x
  2. Step 2: Convert to fraction form
    12,916.48/17,833.30 = 9,926.80/x
  3. Step 3: Cross multiply
    12,916.48x = 17,833.30 × 9,926.80
  4. Step 4: Simplify right side
    12,916.48x = 177,027,602.44
  5. Step 5: Solve for x
    x = 177,027,602.44/12,916.48
  6. Step 6: Final answer
    x = 13,705.56

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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.