Home / 15,536.40-23,315.40-6,777.60

Finding the Fourth Proportional to 15,536.40, 23,315.40 and 6,777.60

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Solution

The fourth proportional to 15,536.40, 23,315.40 and 6,777.60 is: 10,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.40 : 23,315.40 = 6,777.60 : x
  2. Step 2: Convert to fraction form
    15,536.40/23,315.40 = 6,777.60/x
  3. Step 3: Cross multiply
    15,536.40x = 23,315.40 × 6,777.60
  4. Step 4: Simplify right side
    15,536.40x = 158,022,455.04
  5. Step 5: Solve for x
    x = 158,022,455.04/15,536.40
  6. Step 6: Final answer
    x = 10,171.11

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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.