Home / 13,820.06-19,074.40-9,625.88

Finding the Fourth Proportional to 13,820.06, 19,074.40 and 9,625.88

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Solution

The fourth proportional to 13,820.06, 19,074.40 and 9,625.88 is: 13,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.06 : 19,074.40 = 9,625.88 : x
  2. Step 2: Convert to fraction form
    13,820.06/19,074.40 = 9,625.88/x
  3. Step 3: Cross multiply
    13,820.06x = 19,074.40 × 9,625.88
  4. Step 4: Simplify right side
    13,820.06x = 183,607,766.04
  5. Step 5: Solve for x
    x = 183,607,766.04/13,820.06
  6. Step 6: Final answer
    x = 13,285.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.