Home / 13,864.76-19,133.32-7,896.42

Finding the Fourth Proportional to 13,864.76, 19,133.32 and 7,896.42

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Solution

The fourth proportional to 13,864.76, 19,133.32 and 7,896.42 is: 10,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.76 : 19,133.32 = 7,896.42 : x
  2. Step 2: Convert to fraction form
    13,864.76/19,133.32 = 7,896.42/x
  3. Step 3: Cross multiply
    13,864.76x = 19,133.32 × 7,896.42
  4. Step 4: Simplify right side
    13,864.76x = 151,084,730.71
  5. Step 5: Solve for x
    x = 151,084,730.71/13,864.76
  6. Step 6: Final answer
    x = 10,897.03

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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.