Home / 18,323.13-25,279.02-10,769.79

Finding the Fourth Proportional to 18,323.13, 25,279.02 and 10,769.79

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Solution

The fourth proportional to 18,323.13, 25,279.02 and 10,769.79 is: 14,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.13 : 25,279.02 = 10,769.79 : x
  2. Step 2: Convert to fraction form
    18,323.13/25,279.02 = 10,769.79/x
  3. Step 3: Cross multiply
    18,323.13x = 25,279.02 × 10,769.79
  4. Step 4: Simplify right side
    18,323.13x = 272,249,736.81
  5. Step 5: Solve for x
    x = 272,249,736.81/18,323.13
  6. Step 6: Final answer
    x = 14,858.25

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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.