Home / 22,503.69-31,044.75-13,070.43

Finding the Fourth Proportional to 22,503.69, 31,044.75 and 13,070.43

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Solution

The fourth proportional to 22,503.69, 31,044.75 and 13,070.43 is: 18,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503.69 : 31,044.75 = 13,070.43 : x
  2. Step 2: Convert to fraction form
    22,503.69/31,044.75 = 13,070.43/x
  3. Step 3: Cross multiply
    22,503.69x = 31,044.75 × 13,070.43
  4. Step 4: Simplify right side
    22,503.69x = 405,768,231.74
  5. Step 5: Solve for x
    x = 405,768,231.74/22,503.69
  6. Step 6: Final answer
    x = 18,031.19

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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.