Home / 20,904.53-28,848.15-11,344.46

Finding the Fourth Proportional to 20,904.53, 28,848.15 and 11,344.46

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Solution

The fourth proportional to 20,904.53, 28,848.15 and 11,344.46 is: 15,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,904.53 : 28,848.15 = 11,344.46 : x
  2. Step 2: Convert to fraction form
    20,904.53/28,848.15 = 11,344.46/x
  3. Step 3: Cross multiply
    20,904.53x = 28,848.15 × 11,344.46
  4. Step 4: Simplify right side
    20,904.53x = 327,266,539.51
  5. Step 5: Solve for x
    x = 327,266,539.51/20,904.53
  6. Step 6: Final answer
    x = 15,655.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.