Home / 10,963.20-16,444.80-7,269.60

Finding the Fourth Proportional to 10,963.20, 16,444.80 and 7,269.60

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Solution

The fourth proportional to 10,963.20, 16,444.80 and 7,269.60 is: 10,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.20 : 16,444.80 = 7,269.60 : x
  2. Step 2: Convert to fraction form
    10,963.20/16,444.80 = 7,269.60/x
  3. Step 3: Cross multiply
    10,963.20x = 16,444.80 × 7,269.60
  4. Step 4: Simplify right side
    10,963.20x = 119,547,118.08
  5. Step 5: Solve for x
    x = 119,547,118.08/10,963.20
  6. Step 6: Final answer
    x = 10,904.40

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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.