Home / 9,322.07-12,847.33-8,730.20

Finding the Fourth Proportional to 9,322.07, 12,847.33 and 8,730.20

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Solution

The fourth proportional to 9,322.07, 12,847.33 and 8,730.20 is: 12,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.07 : 12,847.33 = 8,730.20 : x
  2. Step 2: Convert to fraction form
    9,322.07/12,847.33 = 8,730.20/x
  3. Step 3: Cross multiply
    9,322.07x = 12,847.33 × 8,730.20
  4. Step 4: Simplify right side
    9,322.07x = 112,159,770.66
  5. Step 5: Solve for x
    x = 112,159,770.66/9,322.07
  6. Step 6: Final answer
    x = 12,031.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.