Home / 14,140.08-21,209.18-5,374.75

Finding the Fourth Proportional to 14,140.08, 21,209.18 and 5,374.75

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Solution

The fourth proportional to 14,140.08, 21,209.18 and 5,374.75 is: 8,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.08 : 21,209.18 = 5,374.75 : x
  2. Step 2: Convert to fraction form
    14,140.08/21,209.18 = 5,374.75/x
  3. Step 3: Cross multiply
    14,140.08x = 21,209.18 × 5,374.75
  4. Step 4: Simplify right side
    14,140.08x = 113,994,040.21
  5. Step 5: Solve for x
    x = 113,994,040.21/14,140.08
  6. Step 6: Final answer
    x = 8,061.77

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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.