Home / 9,912.24-14,871.60-9,374.40

Finding the Fourth Proportional to 9,912.24, 14,871.60 and 9,374.40

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Solution

The fourth proportional to 9,912.24, 14,871.60 and 9,374.40 is: 14,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.24 : 14,871.60 = 9,374.40 : x
  2. Step 2: Convert to fraction form
    9,912.24/14,871.60 = 9,374.40/x
  3. Step 3: Cross multiply
    9,912.24x = 14,871.60 × 9,374.40
  4. Step 4: Simplify right side
    9,912.24x = 139,412,327.04
  5. Step 5: Solve for x
    x = 139,412,327.04/9,912.24
  6. Step 6: Final answer
    x = 14,064.66

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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.