Home / 13,904.12-19,186.70-7,616.44

Finding the Fourth Proportional to 13,904.12, 19,186.70 and 7,616.44

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Solution

The fourth proportional to 13,904.12, 19,186.70 and 7,616.44 is: 10,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.12 : 19,186.70 = 7,616.44 : x
  2. Step 2: Convert to fraction form
    13,904.12/19,186.70 = 7,616.44/x
  3. Step 3: Cross multiply
    13,904.12x = 19,186.70 × 7,616.44
  4. Step 4: Simplify right side
    13,904.12x = 146,134,349.35
  5. Step 5: Solve for x
    x = 146,134,349.35/13,904.12
  6. Step 6: Final answer
    x = 10,510.15

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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.