Home / 19,008.84-28,470.39-9,155.50

Finding the Fourth Proportional to 19,008.84, 28,470.39 and 9,155.50

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Solution

The fourth proportional to 19,008.84, 28,470.39 and 9,155.50 is: 13,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.84 : 28,470.39 = 9,155.50 : x
  2. Step 2: Convert to fraction form
    19,008.84/28,470.39 = 9,155.50/x
  3. Step 3: Cross multiply
    19,008.84x = 28,470.39 × 9,155.50
  4. Step 4: Simplify right side
    19,008.84x = 260,660,550.14
  5. Step 5: Solve for x
    x = 260,660,550.14/19,008.84
  6. Step 6: Final answer
    x = 13,712.59

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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.