Home / 13,904.84-19,179.84-9,125.10

Finding the Fourth Proportional to 13,904.84, 19,179.84 and 9,125.10

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Solution

The fourth proportional to 13,904.84, 19,179.84 and 9,125.10 is: 12,586.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.84 : 19,179.84 = 9,125.10 : x
  2. Step 2: Convert to fraction form
    13,904.84/19,179.84 = 9,125.10/x
  3. Step 3: Cross multiply
    13,904.84x = 19,179.84 × 9,125.10
  4. Step 4: Simplify right side
    13,904.84x = 175,017,957.98
  5. Step 5: Solve for x
    x = 175,017,957.98/13,904.84
  6. Step 6: Final answer
    x = 12,586.84

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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.