Home / 19,157.88-28,718.35-9,802.30

Finding the Fourth Proportional to 19,157.88, 28,718.35 and 9,802.30

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Solution

The fourth proportional to 19,157.88, 28,718.35 and 9,802.30 is: 14,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.88 : 28,718.35 = 9,802.30 : x
  2. Step 2: Convert to fraction form
    19,157.88/28,718.35 = 9,802.30/x
  3. Step 3: Cross multiply
    19,157.88x = 28,718.35 × 9,802.30
  4. Step 4: Simplify right side
    19,157.88x = 281,505,882.21
  5. Step 5: Solve for x
    x = 281,505,882.21/19,157.88
  6. Step 6: Final answer
    x = 14,694.00

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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.