Home / 11,526.14-15,905.91-6,490.85

Finding the Fourth Proportional to 11,526.14, 15,905.91 and 6,490.85

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Solution

The fourth proportional to 11,526.14, 15,905.91 and 6,490.85 is: 8,957.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,526.14 : 15,905.91 = 6,490.85 : x
  2. Step 2: Convert to fraction form
    11,526.14/15,905.91 = 6,490.85/x
  3. Step 3: Cross multiply
    11,526.14x = 15,905.91 × 6,490.85
  4. Step 4: Simplify right side
    11,526.14x = 103,242,797.46
  5. Step 5: Solve for x
    x = 103,242,797.46/11,526.14
  6. Step 6: Final answer
    x = 8,957.28

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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.