Home / 13,068.47-18,034.80-7,100.48

Finding the Fourth Proportional to 13,068.47, 18,034.80 and 7,100.48

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Solution

The fourth proportional to 13,068.47, 18,034.80 and 7,100.48 is: 9,798.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.47 : 18,034.80 = 7,100.48 : x
  2. Step 2: Convert to fraction form
    13,068.47/18,034.80 = 7,100.48/x
  3. Step 3: Cross multiply
    13,068.47x = 18,034.80 × 7,100.48
  4. Step 4: Simplify right side
    13,068.47x = 128,055,736.70
  5. Step 5: Solve for x
    x = 128,055,736.70/13,068.47
  6. Step 6: Final answer
    x = 9,798.83

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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.