Home / 14,342.47-21,499.22-4,977.86

Finding the Fourth Proportional to 14,342.47, 21,499.22 and 4,977.86

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Solution

The fourth proportional to 14,342.47, 21,499.22 and 4,977.86 is: 7,461.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.47 : 21,499.22 = 4,977.86 : x
  2. Step 2: Convert to fraction form
    14,342.47/21,499.22 = 4,977.86/x
  3. Step 3: Cross multiply
    14,342.47x = 21,499.22 × 4,977.86
  4. Step 4: Simplify right side
    14,342.47x = 107,020,012.22
  5. Step 5: Solve for x
    x = 107,020,012.22/14,342.47
  6. Step 6: Final answer
    x = 7,461.76

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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.