Home / 19,583.20-29,376.72-6,430.24

Finding the Fourth Proportional to 19,583.20, 29,376.72 and 6,430.24

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Solution

The fourth proportional to 19,583.20, 29,376.72 and 6,430.24 is: 9,645.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.20 : 29,376.72 = 6,430.24 : x
  2. Step 2: Convert to fraction form
    19,583.20/29,376.72 = 6,430.24/x
  3. Step 3: Cross multiply
    19,583.20x = 29,376.72 × 6,430.24
  4. Step 4: Simplify right side
    19,583.20x = 188,899,360.01
  5. Step 5: Solve for x
    x = 188,899,360.01/19,583.20
  6. Step 6: Final answer
    x = 9,645.99

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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.