Home / 10,817.04-14,916.68-7,979.60

Finding the Fourth Proportional to 10,817.04, 14,916.68 and 7,979.60

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Solution

The fourth proportional to 10,817.04, 14,916.68 and 7,979.60 is: 11,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.04 : 14,916.68 = 7,979.60 : x
  2. Step 2: Convert to fraction form
    10,817.04/14,916.68 = 7,979.60/x
  3. Step 3: Cross multiply
    10,817.04x = 14,916.68 × 7,979.60
  4. Step 4: Simplify right side
    10,817.04x = 119,029,139.73
  5. Step 5: Solve for x
    x = 119,029,139.73/10,817.04
  6. Step 6: Final answer
    x = 11,003.86

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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.