Home / 11,526.17-15,906.11-6,490.40

Finding the Fourth Proportional to 11,526.17, 15,906.11 and 6,490.40

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Solution

The fourth proportional to 11,526.17, 15,906.11 and 6,490.40 is: 8,956.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,526.17 : 15,906.11 = 6,490.40 : x
  2. Step 2: Convert to fraction form
    11,526.17/15,906.11 = 6,490.40/x
  3. Step 3: Cross multiply
    11,526.17x = 15,906.11 × 6,490.40
  4. Step 4: Simplify right side
    11,526.17x = 103,236,904.36
  5. Step 5: Solve for x
    x = 103,236,904.36/11,526.17
  6. Step 6: Final answer
    x = 8,956.74

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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.