Home / 15,514.04-23,095.59-15,421.78

Finding the Fourth Proportional to 15,514.04, 23,095.59 and 15,421.78

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Solution

The fourth proportional to 15,514.04, 23,095.59 and 15,421.78 is: 22,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514.04 : 23,095.59 = 15,421.78 : x
  2. Step 2: Convert to fraction form
    15,514.04/23,095.59 = 15,421.78/x
  3. Step 3: Cross multiply
    15,514.04x = 23,095.59 × 15,421.78
  4. Step 4: Simplify right side
    15,514.04x = 356,174,992.38
  5. Step 5: Solve for x
    x = 356,174,992.38/15,514.04
  6. Step 6: Final answer
    x = 22,958.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.