Home / 22,907.16-31,612-12,835.62

Finding the Fourth Proportional to 22,907.16, 31,612 and 12,835.62

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Solution

The fourth proportional to 22,907.16, 31,612 and 12,835.62 is: 17,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,907.16 : 31,612 = 12,835.62 : x
  2. Step 2: Convert to fraction form
    22,907.16/31,612 = 12,835.62/x
  3. Step 3: Cross multiply
    22,907.16x = 31,612 × 12,835.62
  4. Step 4: Simplify right side
    22,907.16x = 405,759,619.44
  5. Step 5: Solve for x
    x = 405,759,619.44/22,907.16
  6. Step 6: Final answer
    x = 17,713.22

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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.