Home / 18,315.08-27,463.38-13,047.11

Finding the Fourth Proportional to 18,315.08, 27,463.38 and 13,047.11

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Solution

The fourth proportional to 18,315.08, 27,463.38 and 13,047.11 is: 19,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315.08 : 27,463.38 = 13,047.11 : x
  2. Step 2: Convert to fraction form
    18,315.08/27,463.38 = 13,047.11/x
  3. Step 3: Cross multiply
    18,315.08x = 27,463.38 × 13,047.11
  4. Step 4: Simplify right side
    18,315.08x = 358,317,739.83
  5. Step 5: Solve for x
    x = 358,317,739.83/18,315.08
  6. Step 6: Final answer
    x = 19,564.08

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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.