Home / 14,089.96-19,444.80-8,121.52

Finding the Fourth Proportional to 14,089.96, 19,444.80 and 8,121.52

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Solution

The fourth proportional to 14,089.96, 19,444.80 and 8,121.52 is: 11,208.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.96 : 19,444.80 = 8,121.52 : x
  2. Step 2: Convert to fraction form
    14,089.96/19,444.80 = 8,121.52/x
  3. Step 3: Cross multiply
    14,089.96x = 19,444.80 × 8,121.52
  4. Step 4: Simplify right side
    14,089.96x = 157,921,332.10
  5. Step 5: Solve for x
    x = 157,921,332.10/14,089.96
  6. Step 6: Final answer
    x = 11,208.08

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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.