Home / 19,129.64-28,677.18-6,814.76

Finding the Fourth Proportional to 19,129.64, 28,677.18 and 6,814.76

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Solution

The fourth proportional to 19,129.64, 28,677.18 and 6,814.76 is: 10,215.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.64 : 28,677.18 = 6,814.76 : x
  2. Step 2: Convert to fraction form
    19,129.64/28,677.18 = 6,814.76/x
  3. Step 3: Cross multiply
    19,129.64x = 28,677.18 × 6,814.76
  4. Step 4: Simplify right side
    19,129.64x = 195,428,099.18
  5. Step 5: Solve for x
    x = 195,428,099.18/19,129.64
  6. Step 6: Final answer
    x = 10,215.98

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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.