Home / 13,763.45-18,996.59-9,048.17

Finding the Fourth Proportional to 13,763.45, 18,996.59 and 9,048.17

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Solution

The fourth proportional to 13,763.45, 18,996.59 and 9,048.17 is: 12,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.45 : 18,996.59 = 9,048.17 : x
  2. Step 2: Convert to fraction form
    13,763.45/18,996.59 = 9,048.17/x
  3. Step 3: Cross multiply
    13,763.45x = 18,996.59 × 9,048.17
  4. Step 4: Simplify right side
    13,763.45x = 171,884,375.74
  5. Step 5: Solve for x
    x = 171,884,375.74/13,763.45
  6. Step 6: Final answer
    x = 12,488.47

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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.