Home / 22,977.88-31,707.06-12,907.40

Finding the Fourth Proportional to 22,977.88, 31,707.06 and 12,907.40

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Solution

The fourth proportional to 22,977.88, 31,707.06 and 12,907.40 is: 17,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,977.88 : 31,707.06 = 12,907.40 : x
  2. Step 2: Convert to fraction form
    22,977.88/31,707.06 = 12,907.40/x
  3. Step 3: Cross multiply
    22,977.88x = 31,707.06 × 12,907.40
  4. Step 4: Simplify right side
    22,977.88x = 409,255,706.24
  5. Step 5: Solve for x
    x = 409,255,706.24/22,977.88
  6. Step 6: Final answer
    x = 17,810.86

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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.