Home / 12,000.36-16,560.34-6,695.76

Finding the Fourth Proportional to 12,000.36, 16,560.34 and 6,695.76

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Solution

The fourth proportional to 12,000.36, 16,560.34 and 6,695.76 is: 9,240.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.36 : 16,560.34 = 6,695.76 : x
  2. Step 2: Convert to fraction form
    12,000.36/16,560.34 = 6,695.76/x
  3. Step 3: Cross multiply
    12,000.36x = 16,560.34 × 6,695.76
  4. Step 4: Simplify right side
    12,000.36x = 110,884,062.16
  5. Step 5: Solve for x
    x = 110,884,062.16/12,000.36
  6. Step 6: Final answer
    x = 9,240.06

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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.