Home / 13,394.91-18,482.00-8,016.51

Finding the Fourth Proportional to 13,394.91, 18,482.00 and 8,016.51

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Solution

The fourth proportional to 13,394.91, 18,482.00 and 8,016.51 is: 11,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.91 : 18,482.00 = 8,016.51 : x
  2. Step 2: Convert to fraction form
    13,394.91/18,482.00 = 8,016.51/x
  3. Step 3: Cross multiply
    13,394.91x = 18,482.00 × 8,016.51
  4. Step 4: Simplify right side
    13,394.91x = 148,161,097.74
  5. Step 5: Solve for x
    x = 148,161,097.74/13,394.91
  6. Step 6: Final answer
    x = 11,061.00

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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.