Home / 14,603.20-21,888.60-6,281.80

Finding the Fourth Proportional to 14,603.20, 21,888.60 and 6,281.80

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Solution

The fourth proportional to 14,603.20, 21,888.60 and 6,281.80 is: 9,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.20 : 21,888.60 = 6,281.80 : x
  2. Step 2: Convert to fraction form
    14,603.20/21,888.60 = 6,281.80/x
  3. Step 3: Cross multiply
    14,603.20x = 21,888.60 × 6,281.80
  4. Step 4: Simplify right side
    14,603.20x = 137,499,807.48
  5. Step 5: Solve for x
    x = 137,499,807.48/14,603.20
  6. Step 6: Final answer
    x = 9,415.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.