Home / 19,254.88-28,880.10-5,214.07

Finding the Fourth Proportional to 19,254.88, 28,880.10 and 5,214.07

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Solution

The fourth proportional to 19,254.88, 28,880.10 and 5,214.07 is: 7,820.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.88 : 28,880.10 = 5,214.07 : x
  2. Step 2: Convert to fraction form
    19,254.88/28,880.10 = 5,214.07/x
  3. Step 3: Cross multiply
    19,254.88x = 28,880.10 × 5,214.07
  4. Step 4: Simplify right side
    19,254.88x = 150,582,863.01
  5. Step 5: Solve for x
    x = 150,582,863.01/19,254.88
  6. Step 6: Final answer
    x = 7,820.50

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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.