Home / 10,336.86-14,265.45-5,621.06

Finding the Fourth Proportional to 10,336.86, 14,265.45 and 5,621.06

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Solution

The fourth proportional to 10,336.86, 14,265.45 and 5,621.06 is: 7,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,336.86 : 14,265.45 = 5,621.06 : x
  2. Step 2: Convert to fraction form
    10,336.86/14,265.45 = 5,621.06/x
  3. Step 3: Cross multiply
    10,336.86x = 14,265.45 × 5,621.06
  4. Step 4: Simplify right side
    10,336.86x = 80,186,950.38
  5. Step 5: Solve for x
    x = 80,186,950.38/10,336.86
  6. Step 6: Final answer
    x = 7,757.38

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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.