Home / 13,117.76-19,679.56-4,797.59

Finding the Fourth Proportional to 13,117.76, 19,679.56 and 4,797.59

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Solution

The fourth proportional to 13,117.76, 19,679.56 and 4,797.59 is: 7,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.76 : 19,679.56 = 4,797.59 : x
  2. Step 2: Convert to fraction form
    13,117.76/19,679.56 = 4,797.59/x
  3. Step 3: Cross multiply
    13,117.76x = 19,679.56 × 4,797.59
  4. Step 4: Simplify right side
    13,117.76x = 94,414,460.26
  5. Step 5: Solve for x
    x = 94,414,460.26/13,117.76
  6. Step 6: Final answer
    x = 7,197.45

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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.