Home / 10,504.40-15,756.12-10,135.28

Finding the Fourth Proportional to 10,504.40, 15,756.12 and 10,135.28

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Solution

The fourth proportional to 10,504.40, 15,756.12 and 10,135.28 is: 15,202.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.40 : 15,756.12 = 10,135.28 : x
  2. Step 2: Convert to fraction form
    10,504.40/15,756.12 = 10,135.28/x
  3. Step 3: Cross multiply
    10,504.40x = 15,756.12 × 10,135.28
  4. Step 4: Simplify right side
    10,504.40x = 159,692,687.91
  5. Step 5: Solve for x
    x = 159,692,687.91/10,504.40
  6. Step 6: Final answer
    x = 15,202.46

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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.