Home / 19,004.20-28,492.14-9,134.20

Finding the Fourth Proportional to 19,004.20, 28,492.14 and 9,134.20

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Solution

The fourth proportional to 19,004.20, 28,492.14 and 9,134.20 is: 13,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.20 : 28,492.14 = 9,134.20 : x
  2. Step 2: Convert to fraction form
    19,004.20/28,492.14 = 9,134.20/x
  3. Step 3: Cross multiply
    19,004.20x = 28,492.14 × 9,134.20
  4. Step 4: Simplify right side
    19,004.20x = 260,252,905.19
  5. Step 5: Solve for x
    x = 260,252,905.19/19,004.20
  6. Step 6: Final answer
    x = 13,694.49

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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.