Home / 14,088.80-19,436.40-8,119.52

Finding the Fourth Proportional to 14,088.80, 19,436.40 and 8,119.52

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Solution

The fourth proportional to 14,088.80, 19,436.40 and 8,119.52 is: 11,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.80 : 19,436.40 = 8,119.52 : x
  2. Step 2: Convert to fraction form
    14,088.80/19,436.40 = 8,119.52/x
  3. Step 3: Cross multiply
    14,088.80x = 19,436.40 × 8,119.52
  4. Step 4: Simplify right side
    14,088.80x = 157,814,238.53
  5. Step 5: Solve for x
    x = 157,814,238.53/14,088.80
  6. Step 6: Final answer
    x = 11,201.40

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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.