Home / 15,374.21-23,054.09-9,135.05

Finding the Fourth Proportional to 15,374.21, 23,054.09 and 9,135.05

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Solution

The fourth proportional to 15,374.21, 23,054.09 and 9,135.05 is: 13,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374.21 : 23,054.09 = 9,135.05 : x
  2. Step 2: Convert to fraction form
    15,374.21/23,054.09 = 9,135.05/x
  3. Step 3: Cross multiply
    15,374.21x = 23,054.09 × 9,135.05
  4. Step 4: Simplify right side
    15,374.21x = 210,600,103.91
  5. Step 5: Solve for x
    x = 210,600,103.91/15,374.21
  6. Step 6: Final answer
    x = 13,698.28

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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.