Home / 9,309.24-13,964.18-4,689.72

Finding the Fourth Proportional to 9,309.24, 13,964.18 and 4,689.72

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Solution

The fourth proportional to 9,309.24, 13,964.18 and 4,689.72 is: 7,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.24 : 13,964.18 = 4,689.72 : x
  2. Step 2: Convert to fraction form
    9,309.24/13,964.18 = 4,689.72/x
  3. Step 3: Cross multiply
    9,309.24x = 13,964.18 × 4,689.72
  4. Step 4: Simplify right side
    9,309.24x = 65,488,094.23
  5. Step 5: Solve for x
    x = 65,488,094.23/9,309.24
  6. Step 6: Final answer
    x = 7,034.74

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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.