Home / 13,875.06-20,794.70-12,088.88

Finding the Fourth Proportional to 13,875.06, 20,794.70 and 12,088.88

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Solution

The fourth proportional to 13,875.06, 20,794.70 and 12,088.88 is: 18,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.06 : 20,794.70 = 12,088.88 : x
  2. Step 2: Convert to fraction form
    13,875.06/20,794.70 = 12,088.88/x
  3. Step 3: Cross multiply
    13,875.06x = 20,794.70 × 12,088.88
  4. Step 4: Simplify right side
    13,875.06x = 251,384,632.94
  5. Step 5: Solve for x
    x = 251,384,632.94/13,875.06
  6. Step 6: Final answer
    x = 18,117.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.