Home / 10,438.48-14,405.16-5,658.46

Finding the Fourth Proportional to 10,438.48, 14,405.16 and 5,658.46

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Solution

The fourth proportional to 10,438.48, 14,405.16 and 5,658.46 is: 7,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.48 : 14,405.16 = 5,658.46 : x
  2. Step 2: Convert to fraction form
    10,438.48/14,405.16 = 5,658.46/x
  3. Step 3: Cross multiply
    10,438.48x = 14,405.16 × 5,658.46
  4. Step 4: Simplify right side
    10,438.48x = 81,511,021.65
  5. Step 5: Solve for x
    x = 81,511,021.65/10,438.48
  6. Step 6: Final answer
    x = 7,808.71

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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.