Home / 14,088.78-21,134.37-3,700.50

Finding the Fourth Proportional to 14,088.78, 21,134.37 and 3,700.50

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Solution

The fourth proportional to 14,088.78, 21,134.37 and 3,700.50 is: 5,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.78 : 21,134.37 = 3,700.50 : x
  2. Step 2: Convert to fraction form
    14,088.78/21,134.37 = 3,700.50/x
  3. Step 3: Cross multiply
    14,088.78x = 21,134.37 × 3,700.50
  4. Step 4: Simplify right side
    14,088.78x = 78,207,736.19
  5. Step 5: Solve for x
    x = 78,207,736.19/14,088.78
  6. Step 6: Final answer
    x = 5,551.07

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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.