Home / 11,807.24-17,688.12-6,616.76

Finding the Fourth Proportional to 11,807.24, 17,688.12 and 6,616.76

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Solution

The fourth proportional to 11,807.24, 17,688.12 and 6,616.76 is: 9,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.24 : 17,688.12 = 6,616.76 : x
  2. Step 2: Convert to fraction form
    11,807.24/17,688.12 = 6,616.76/x
  3. Step 3: Cross multiply
    11,807.24x = 17,688.12 × 6,616.76
  4. Step 4: Simplify right side
    11,807.24x = 117,038,044.89
  5. Step 5: Solve for x
    x = 117,038,044.89/11,807.24
  6. Step 6: Final answer
    x = 9,912.40

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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.