Home / 18,345.02-25,313.54-10,786.91

Finding the Fourth Proportional to 18,345.02, 25,313.54 and 10,786.91

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Solution

The fourth proportional to 18,345.02, 25,313.54 and 10,786.91 is: 14,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345.02 : 25,313.54 = 10,786.91 : x
  2. Step 2: Convert to fraction form
    18,345.02/25,313.54 = 10,786.91/x
  3. Step 3: Cross multiply
    18,345.02x = 25,313.54 × 10,786.91
  4. Step 4: Simplify right side
    18,345.02x = 273,054,697.26
  5. Step 5: Solve for x
    x = 273,054,697.26/18,345.02
  6. Step 6: Final answer
    x = 14,884.41

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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.