Home / 19,000.60-26,222.45-11,042.31

Finding the Fourth Proportional to 19,000.60, 26,222.45 and 11,042.31

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Solution

The fourth proportional to 19,000.60, 26,222.45 and 11,042.31 is: 15,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.60 : 26,222.45 = 11,042.31 : x
  2. Step 2: Convert to fraction form
    19,000.60/26,222.45 = 11,042.31/x
  3. Step 3: Cross multiply
    19,000.60x = 26,222.45 × 11,042.31
  4. Step 4: Simplify right side
    19,000.60x = 289,556,421.86
  5. Step 5: Solve for x
    x = 289,556,421.86/19,000.60
  6. Step 6: Final answer
    x = 15,239.33

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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.