Home / 10,549.68-15,811.44-3,970.32

Finding the Fourth Proportional to 10,549.68, 15,811.44 and 3,970.32

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Solution

The fourth proportional to 10,549.68, 15,811.44 and 3,970.32 is: 5,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.68 : 15,811.44 = 3,970.32 : x
  2. Step 2: Convert to fraction form
    10,549.68/15,811.44 = 3,970.32/x
  3. Step 3: Cross multiply
    10,549.68x = 15,811.44 × 3,970.32
  4. Step 4: Simplify right side
    10,549.68x = 62,776,476.46
  5. Step 5: Solve for x
    x = 62,776,476.46/10,549.68
  6. Step 6: Final answer
    x = 5,950.56

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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.