Home / 10,553.47-15,830.21-2,762.26

Finding the Fourth Proportional to 10,553.47, 15,830.21 and 2,762.26

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Solution

The fourth proportional to 10,553.47, 15,830.21 and 2,762.26 is: 4,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.47 : 15,830.21 = 2,762.26 : x
  2. Step 2: Convert to fraction form
    10,553.47/15,830.21 = 2,762.26/x
  3. Step 3: Cross multiply
    10,553.47x = 15,830.21 × 2,762.26
  4. Step 4: Simplify right side
    10,553.47x = 43,727,155.87
  5. Step 5: Solve for x
    x = 43,727,155.87/10,553.47
  6. Step 6: Final answer
    x = 4,143.39

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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.