Home / 19,559.10-29,344.05-6,420.63

Finding the Fourth Proportional to 19,559.10, 29,344.05 and 6,420.63

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Solution

The fourth proportional to 19,559.10, 29,344.05 and 6,420.63 is: 9,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.10 : 29,344.05 = 6,420.63 : x
  2. Step 2: Convert to fraction form
    19,559.10/29,344.05 = 6,420.63/x
  3. Step 3: Cross multiply
    19,559.10x = 29,344.05 × 6,420.63
  4. Step 4: Simplify right side
    19,559.10x = 188,407,287.75
  5. Step 5: Solve for x
    x = 188,407,287.75/19,559.10
  6. Step 6: Final answer
    x = 9,632.72

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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.