Home / 20,904.93-28,848.60-11,344.83

Finding the Fourth Proportional to 20,904.93, 28,848.60 and 11,344.83

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Solution

The fourth proportional to 20,904.93, 28,848.60 and 11,344.83 is: 15,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,904.93 : 28,848.60 = 11,344.83 : x
  2. Step 2: Convert to fraction form
    20,904.93/28,848.60 = 11,344.83/x
  3. Step 3: Cross multiply
    20,904.93x = 28,848.60 × 11,344.83
  4. Step 4: Simplify right side
    20,904.93x = 327,282,462.74
  5. Step 5: Solve for x
    x = 327,282,462.74/20,904.93
  6. Step 6: Final answer
    x = 15,655.76

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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.