Home / 19,122.32-28,690.84-9,260.84

Finding the Fourth Proportional to 19,122.32, 28,690.84 and 9,260.84

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Solution

The fourth proportional to 19,122.32, 28,690.84 and 9,260.84 is: 13,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.32 : 28,690.84 = 9,260.84 : x
  2. Step 2: Convert to fraction form
    19,122.32/28,690.84 = 9,260.84/x
  3. Step 3: Cross multiply
    19,122.32x = 28,690.84 × 9,260.84
  4. Step 4: Simplify right side
    19,122.32x = 265,701,278.71
  5. Step 5: Solve for x
    x = 265,701,278.71/19,122.32
  6. Step 6: Final answer
    x = 13,894.82

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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.