Home / 18,495.48-27,750.03-13,272.18

Finding the Fourth Proportional to 18,495.48, 27,750.03 and 13,272.18

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Solution

The fourth proportional to 18,495.48, 27,750.03 and 13,272.18 is: 19,913.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.48 : 27,750.03 = 13,272.18 : x
  2. Step 2: Convert to fraction form
    18,495.48/27,750.03 = 13,272.18/x
  3. Step 3: Cross multiply
    18,495.48x = 27,750.03 × 13,272.18
  4. Step 4: Simplify right side
    18,495.48x = 368,303,393.17
  5. Step 5: Solve for x
    x = 368,303,393.17/18,495.48
  6. Step 6: Final answer
    x = 19,913.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.