Home / 13,811.08-19,061.86-12,967.06

Finding the Fourth Proportional to 13,811.08, 19,061.86 and 12,967.06

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Solution

The fourth proportional to 13,811.08, 19,061.86 and 12,967.06 is: 17,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811.08 : 19,061.86 = 12,967.06 : x
  2. Step 2: Convert to fraction form
    13,811.08/19,061.86 = 12,967.06/x
  3. Step 3: Cross multiply
    13,811.08x = 19,061.86 × 12,967.06
  4. Step 4: Simplify right side
    13,811.08x = 247,176,282.33
  5. Step 5: Solve for x
    x = 247,176,282.33/13,811.08
  6. Step 6: Final answer
    x = 17,896.96

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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.