Home / 10,135.10-15,214.80-5,696.30

Finding the Fourth Proportional to 10,135.10, 15,214.80 and 5,696.30

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Solution

The fourth proportional to 10,135.10, 15,214.80 and 5,696.30 is: 8,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.10 : 15,214.80 = 5,696.30 : x
  2. Step 2: Convert to fraction form
    10,135.10/15,214.80 = 5,696.30/x
  3. Step 3: Cross multiply
    10,135.10x = 15,214.80 × 5,696.30
  4. Step 4: Simplify right side
    10,135.10x = 86,668,065.24
  5. Step 5: Solve for x
    x = 86,668,065.24/10,135.10
  6. Step 6: Final answer
    x = 8,551.28

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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.