Home / 22,586.13-31,165.74-12,512.07

Finding the Fourth Proportional to 22,586.13, 31,165.74 and 12,512.07

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Solution

The fourth proportional to 22,586.13, 31,165.74 and 12,512.07 is: 17,264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,586.13 : 31,165.74 = 12,512.07 : x
  2. Step 2: Convert to fraction form
    22,586.13/31,165.74 = 12,512.07/x
  3. Step 3: Cross multiply
    22,586.13x = 31,165.74 × 12,512.07
  4. Step 4: Simplify right side
    22,586.13x = 389,947,920.48
  5. Step 5: Solve for x
    x = 389,947,920.48/22,586.13
  6. Step 6: Final answer
    x = 17,264.93

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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.