Home / 10,265.14-15,386.96-5,817.26

Finding the Fourth Proportional to 10,265.14, 15,386.96 and 5,817.26

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Solution

The fourth proportional to 10,265.14, 15,386.96 and 5,817.26 is: 8,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.14 : 15,386.96 = 5,817.26 : x
  2. Step 2: Convert to fraction form
    10,265.14/15,386.96 = 5,817.26/x
  3. Step 3: Cross multiply
    10,265.14x = 15,386.96 × 5,817.26
  4. Step 4: Simplify right side
    10,265.14x = 89,509,946.93
  5. Step 5: Solve for x
    x = 89,509,946.93/10,265.14
  6. Step 6: Final answer
    x = 8,719.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.