Home / 10,526.71-15,790.47-3,131.41

Finding the Fourth Proportional to 10,526.71, 15,790.47 and 3,131.41

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Solution

The fourth proportional to 10,526.71, 15,790.47 and 3,131.41 is: 4,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526.71 : 15,790.47 = 3,131.41 : x
  2. Step 2: Convert to fraction form
    10,526.71/15,790.47 = 3,131.41/x
  3. Step 3: Cross multiply
    10,526.71x = 15,790.47 × 3,131.41
  4. Step 4: Simplify right side
    10,526.71x = 49,446,435.66
  5. Step 5: Solve for x
    x = 49,446,435.66/10,526.71
  6. Step 6: Final answer
    x = 4,697.24

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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.