Home / 13,955.44-19,257.40-7,985.74

Finding the Fourth Proportional to 13,955.44, 19,257.40 and 7,985.74

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Solution

The fourth proportional to 13,955.44, 19,257.40 and 7,985.74 is: 11,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.44 : 19,257.40 = 7,985.74 : x
  2. Step 2: Convert to fraction form
    13,955.44/19,257.40 = 7,985.74/x
  3. Step 3: Cross multiply
    13,955.44x = 19,257.40 × 7,985.74
  4. Step 4: Simplify right side
    13,955.44x = 153,784,589.48
  5. Step 5: Solve for x
    x = 153,784,589.48/13,955.44
  6. Step 6: Final answer
    x = 11,019.69

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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.