Home / 19,247.01-28,848.63-8,146.77

Finding the Fourth Proportional to 19,247.01, 28,848.63 and 8,146.77

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Solution

The fourth proportional to 19,247.01, 28,848.63 and 8,146.77 is: 12,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.01 : 28,848.63 = 8,146.77 : x
  2. Step 2: Convert to fraction form
    19,247.01/28,848.63 = 8,146.77/x
  3. Step 3: Cross multiply
    19,247.01x = 28,848.63 × 8,146.77
  4. Step 4: Simplify right side
    19,247.01x = 235,023,153.43
  5. Step 5: Solve for x
    x = 235,023,153.43/19,247.01
  6. Step 6: Final answer
    x = 12,210.89

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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.