Home / 14,409.94-19,902.12-9,686.02

Finding the Fourth Proportional to 14,409.94, 19,902.12 and 9,686.02

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Solution

The fourth proportional to 14,409.94, 19,902.12 and 9,686.02 is: 13,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.94 : 19,902.12 = 9,686.02 : x
  2. Step 2: Convert to fraction form
    14,409.94/19,902.12 = 9,686.02/x
  3. Step 3: Cross multiply
    14,409.94x = 19,902.12 × 9,686.02
  4. Step 4: Simplify right side
    14,409.94x = 192,772,282.61
  5. Step 5: Solve for x
    x = 192,772,282.61/14,409.94
  6. Step 6: Final answer
    x = 13,377.73

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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.