Home / 9,543.60-14,315.76-2,618.64

Finding the Fourth Proportional to 9,543.60, 14,315.76 and 2,618.64

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Solution

The fourth proportional to 9,543.60, 14,315.76 and 2,618.64 is: 3,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.60 : 14,315.76 = 2,618.64 : x
  2. Step 2: Convert to fraction form
    9,543.60/14,315.76 = 2,618.64/x
  3. Step 3: Cross multiply
    9,543.60x = 14,315.76 × 2,618.64
  4. Step 4: Simplify right side
    9,543.60x = 37,487,821.77
  5. Step 5: Solve for x
    x = 37,487,821.77/9,543.60
  6. Step 6: Final answer
    x = 3,928.06

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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.