Home / 20,437.45-28,204.52-11,484.93

Finding the Fourth Proportional to 20,437.45, 28,204.52 and 11,484.93

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Solution

The fourth proportional to 20,437.45, 28,204.52 and 11,484.93 is: 15,849.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437.45 : 28,204.52 = 11,484.93 : x
  2. Step 2: Convert to fraction form
    20,437.45/28,204.52 = 11,484.93/x
  3. Step 3: Cross multiply
    20,437.45x = 28,204.52 × 11,484.93
  4. Step 4: Simplify right side
    20,437.45x = 323,926,937.88
  5. Step 5: Solve for x
    x = 323,926,937.88/20,437.45
  6. Step 6: Final answer
    x = 15,849.67

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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.