Home / 10,488.96-14,467.17-7,125.90

Finding the Fourth Proportional to 10,488.96, 14,467.17 and 7,125.90

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Solution

The fourth proportional to 10,488.96, 14,467.17 and 7,125.90 is: 9,828.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.96 : 14,467.17 = 7,125.90 : x
  2. Step 2: Convert to fraction form
    10,488.96/14,467.17 = 7,125.90/x
  3. Step 3: Cross multiply
    10,488.96x = 14,467.17 × 7,125.90
  4. Step 4: Simplify right side
    10,488.96x = 103,091,606.70
  5. Step 5: Solve for x
    x = 103,091,606.70/10,488.96
  6. Step 6: Final answer
    x = 9,828.58

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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.