Home / 10,686.08-16,031.16-4,442.72

Finding the Fourth Proportional to 10,686.08, 16,031.16 and 4,442.72

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Solution

The fourth proportional to 10,686.08, 16,031.16 and 4,442.72 is: 6,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.08 : 16,031.16 = 4,442.72 : x
  2. Step 2: Convert to fraction form
    10,686.08/16,031.16 = 4,442.72/x
  3. Step 3: Cross multiply
    10,686.08x = 16,031.16 × 4,442.72
  4. Step 4: Simplify right side
    10,686.08x = 71,221,875.00
  5. Step 5: Solve for x
    x = 71,221,875.00/10,686.08
  6. Step 6: Final answer
    x = 6,664.92

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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.