Home / 10,407.94-15,611.29-3,012.23

Finding the Fourth Proportional to 10,407.94, 15,611.29 and 3,012.23

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Solution

The fourth proportional to 10,407.94, 15,611.29 and 3,012.23 is: 4,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.94 : 15,611.29 = 3,012.23 : x
  2. Step 2: Convert to fraction form
    10,407.94/15,611.29 = 3,012.23/x
  3. Step 3: Cross multiply
    10,407.94x = 15,611.29 × 3,012.23
  4. Step 4: Simplify right side
    10,407.94x = 47,024,796.08
  5. Step 5: Solve for x
    x = 47,024,796.08/10,407.94
  6. Step 6: Final answer
    x = 4,518.17

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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.