Home / 10,417.22-14,360.79-7,427.85

Finding the Fourth Proportional to 10,417.22, 14,360.79 and 7,427.85

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Solution

The fourth proportional to 10,417.22, 14,360.79 and 7,427.85 is: 10,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.22 : 14,360.79 = 7,427.85 : x
  2. Step 2: Convert to fraction form
    10,417.22/14,360.79 = 7,427.85/x
  3. Step 3: Cross multiply
    10,417.22x = 14,360.79 × 7,427.85
  4. Step 4: Simplify right side
    10,417.22x = 106,669,794.00
  5. Step 5: Solve for x
    x = 106,669,794.00/10,417.22
  6. Step 6: Final answer
    x = 10,239.76

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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.