Home / 14,088.20-19,437.30-8,119.05

Finding the Fourth Proportional to 14,088.20, 19,437.30 and 8,119.05

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Solution

The fourth proportional to 14,088.20, 19,437.30 and 8,119.05 is: 11,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.20 : 19,437.30 = 8,119.05 : x
  2. Step 2: Convert to fraction form
    14,088.20/19,437.30 = 8,119.05/x
  3. Step 3: Cross multiply
    14,088.20x = 19,437.30 × 8,119.05
  4. Step 4: Simplify right side
    14,088.20x = 157,812,337.68
  5. Step 5: Solve for x
    x = 157,812,337.68/14,088.20
  6. Step 6: Final answer
    x = 11,201.74

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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.