Home / 10,290.53-15,426.63-3,715.26

Finding the Fourth Proportional to 10,290.53, 15,426.63 and 3,715.26

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Solution

The fourth proportional to 10,290.53, 15,426.63 and 3,715.26 is: 5,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.53 : 15,426.63 = 3,715.26 : x
  2. Step 2: Convert to fraction form
    10,290.53/15,426.63 = 3,715.26/x
  3. Step 3: Cross multiply
    10,290.53x = 15,426.63 × 3,715.26
  4. Step 4: Simplify right side
    10,290.53x = 57,313,941.37
  5. Step 5: Solve for x
    x = 57,313,941.37/10,290.53
  6. Step 6: Final answer
    x = 5,569.58

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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.