Home / 11,417.91-15,756.83-6,702.27

Finding the Fourth Proportional to 11,417.91, 15,756.83 and 6,702.27

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Solution

The fourth proportional to 11,417.91, 15,756.83 and 6,702.27 is: 9,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.91 : 15,756.83 = 6,702.27 : x
  2. Step 2: Convert to fraction form
    11,417.91/15,756.83 = 6,702.27/x
  3. Step 3: Cross multiply
    11,417.91x = 15,756.83 × 6,702.27
  4. Step 4: Simplify right side
    11,417.91x = 105,606,495.49
  5. Step 5: Solve for x
    x = 105,606,495.49/11,417.91
  6. Step 6: Final answer
    x = 9,249.20

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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.