Home / 25,095.40-34,630.14-13,917.40

Finding the Fourth Proportional to 25,095.40, 34,630.14 and 13,917.40

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Solution

The fourth proportional to 25,095.40, 34,630.14 and 13,917.40 is: 19,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,095.40 : 34,630.14 = 13,917.40 : x
  2. Step 2: Convert to fraction form
    25,095.40/34,630.14 = 13,917.40/x
  3. Step 3: Cross multiply
    25,095.40x = 34,630.14 × 13,917.40
  4. Step 4: Simplify right side
    25,095.40x = 481,961,510.44
  5. Step 5: Solve for x
    x = 481,961,510.44/25,095.40
  6. Step 6: Final answer
    x = 19,205.17

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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.