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Finding the Fourth Proportional to 12,335.86, 17,023.14 and 6,746.50

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Solution

The fourth proportional to 12,335.86, 17,023.14 and 6,746.50 is: 9,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.86 : 17,023.14 = 6,746.50 : x
  2. Step 2: Convert to fraction form
    12,335.86/17,023.14 = 6,746.50/x
  3. Step 3: Cross multiply
    12,335.86x = 17,023.14 × 6,746.50
  4. Step 4: Simplify right side
    12,335.86x = 114,846,614.01
  5. Step 5: Solve for x
    x = 114,846,614.01/12,335.86
  6. Step 6: Final answer
    x = 9,309.98

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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.