Home / 19,412.45-29,125.51-9,558.65

Finding the Fourth Proportional to 19,412.45, 29,125.51 and 9,558.65

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Solution

The fourth proportional to 19,412.45, 29,125.51 and 9,558.65 is: 14,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.45 : 29,125.51 = 9,558.65 : x
  2. Step 2: Convert to fraction form
    19,412.45/29,125.51 = 9,558.65/x
  3. Step 3: Cross multiply
    19,412.45x = 29,125.51 × 9,558.65
  4. Step 4: Simplify right side
    19,412.45x = 278,400,556.16
  5. Step 5: Solve for x
    x = 278,400,556.16/19,412.45
  6. Step 6: Final answer
    x = 14,341.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.