Home / 12,530.08-17,271.66-9,873.28

Finding the Fourth Proportional to 12,530.08, 17,271.66 and 9,873.28

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Solution

The fourth proportional to 12,530.08, 17,271.66 and 9,873.28 is: 13,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.08 : 17,271.66 = 9,873.28 : x
  2. Step 2: Convert to fraction form
    12,530.08/17,271.66 = 9,873.28/x
  3. Step 3: Cross multiply
    12,530.08x = 17,271.66 × 9,873.28
  4. Step 4: Simplify right side
    12,530.08x = 170,527,935.24
  5. Step 5: Solve for x
    x = 170,527,935.24/12,530.08
  6. Step 6: Final answer
    x = 13,609.48

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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.