Home / 15,374.76-23,069.43-9,147.07

Finding the Fourth Proportional to 15,374.76, 23,069.43 and 9,147.07

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Solution

The fourth proportional to 15,374.76, 23,069.43 and 9,147.07 is: 13,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374.76 : 23,069.43 = 9,147.07 : x
  2. Step 2: Convert to fraction form
    15,374.76/23,069.43 = 9,147.07/x
  3. Step 3: Cross multiply
    15,374.76x = 23,069.43 × 9,147.07
  4. Step 4: Simplify right side
    15,374.76x = 211,017,725.88
  5. Step 5: Solve for x
    x = 211,017,725.88/15,374.76
  6. Step 6: Final answer
    x = 13,724.95

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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.