Home / 18,323.55-25,287.12-10,769.77

Finding the Fourth Proportional to 18,323.55, 25,287.12 and 10,769.77

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Solution

The fourth proportional to 18,323.55, 25,287.12 and 10,769.77 is: 14,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.55 : 25,287.12 = 10,769.77 : x
  2. Step 2: Convert to fraction form
    18,323.55/25,287.12 = 10,769.77/x
  3. Step 3: Cross multiply
    18,323.55x = 25,287.12 × 10,769.77
  4. Step 4: Simplify right side
    18,323.55x = 272,336,412.51
  5. Step 5: Solve for x
    x = 272,336,412.51/18,323.55
  6. Step 6: Final answer
    x = 14,862.64

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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.