Home / 13,430.01-20,144.28-4,069.65

Finding the Fourth Proportional to 13,430.01, 20,144.28 and 4,069.65

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Solution

The fourth proportional to 13,430.01, 20,144.28 and 4,069.65 is: 6,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430.01 : 20,144.28 = 4,069.65 : x
  2. Step 2: Convert to fraction form
    13,430.01/20,144.28 = 4,069.65/x
  3. Step 3: Cross multiply
    13,430.01x = 20,144.28 × 4,069.65
  4. Step 4: Simplify right side
    13,430.01x = 81,980,169.10
  5. Step 5: Solve for x
    x = 81,980,169.10/13,430.01
  6. Step 6: Final answer
    x = 6,104.25

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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.