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Finding the Fourth Proportional to 14,810.11, 20,437.93 and 8,845.27

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Solution

The fourth proportional to 14,810.11, 20,437.93 and 8,845.27 is: 12,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.11 : 20,437.93 = 8,845.27 : x
  2. Step 2: Convert to fraction form
    14,810.11/20,437.93 = 8,845.27/x
  3. Step 3: Cross multiply
    14,810.11x = 20,437.93 × 8,845.27
  4. Step 4: Simplify right side
    14,810.11x = 180,779,045.70
  5. Step 5: Solve for x
    x = 180,779,045.70/14,810.11
  6. Step 6: Final answer
    x = 12,206.46

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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.