Home / 13,364.48-19,937.92-13,020.80

Finding the Fourth Proportional to 13,364.48, 19,937.92 and 13,020.80

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Solution

The fourth proportional to 13,364.48, 19,937.92 and 13,020.80 is: 19,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.48 : 19,937.92 = 13,020.80 : x
  2. Step 2: Convert to fraction form
    13,364.48/19,937.92 = 13,020.80/x
  3. Step 3: Cross multiply
    13,364.48x = 19,937.92 × 13,020.80
  4. Step 4: Simplify right side
    13,364.48x = 259,607,668.74
  5. Step 5: Solve for x
    x = 259,607,668.74/13,364.48
  6. Step 6: Final answer
    x = 19,425.20

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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.