Home / 10,130.28-15,194.94-3,109.98

Finding the Fourth Proportional to 10,130.28, 15,194.94 and 3,109.98

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Solution

The fourth proportional to 10,130.28, 15,194.94 and 3,109.98 is: 4,664.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.28 : 15,194.94 = 3,109.98 : x
  2. Step 2: Convert to fraction form
    10,130.28/15,194.94 = 3,109.98/x
  3. Step 3: Cross multiply
    10,130.28x = 15,194.94 × 3,109.98
  4. Step 4: Simplify right side
    10,130.28x = 47,255,959.50
  5. Step 5: Solve for x
    x = 47,255,959.50/10,130.28
  6. Step 6: Final answer
    x = 4,664.82

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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.