Home / 13,279.45-19,916.88-4,958.59

Finding the Fourth Proportional to 13,279.45, 19,916.88 and 4,958.59

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Solution

The fourth proportional to 13,279.45, 19,916.88 and 4,958.59 is: 7,437.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.45 : 19,916.88 = 4,958.59 : x
  2. Step 2: Convert to fraction form
    13,279.45/19,916.88 = 4,958.59/x
  3. Step 3: Cross multiply
    13,279.45x = 19,916.88 × 4,958.59
  4. Step 4: Simplify right side
    13,279.45x = 98,759,642.00
  5. Step 5: Solve for x
    x = 98,759,642.00/13,279.45
  6. Step 6: Final answer
    x = 7,437.03

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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.