Home / 9,561.59-14,342.39-2,987.81

Finding the Fourth Proportional to 9,561.59, 14,342.39 and 2,987.81

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Solution

The fourth proportional to 9,561.59, 14,342.39 and 2,987.81 is: 4,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561.59 : 14,342.39 = 2,987.81 : x
  2. Step 2: Convert to fraction form
    9,561.59/14,342.39 = 2,987.81/x
  3. Step 3: Cross multiply
    9,561.59x = 14,342.39 × 2,987.81
  4. Step 4: Simplify right side
    9,561.59x = 42,852,336.27
  5. Step 5: Solve for x
    x = 42,852,336.27/9,561.59
  6. Step 6: Final answer
    x = 4,481.72

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1.5x scale

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.