Home / 14,601.83-20,108.07-12,686.76

Finding the Fourth Proportional to 14,601.83, 20,108.07 and 12,686.76

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Solution

The fourth proportional to 14,601.83, 20,108.07 and 12,686.76 is: 17,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601.83 : 20,108.07 = 12,686.76 : x
  2. Step 2: Convert to fraction form
    14,601.83/20,108.07 = 12,686.76/x
  3. Step 3: Cross multiply
    14,601.83x = 20,108.07 × 12,686.76
  4. Step 4: Simplify right side
    14,601.83x = 255,106,258.15
  5. Step 5: Solve for x
    x = 255,106,258.15/14,601.83
  6. Step 6: Final answer
    x = 17,470.85

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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.