Home / 13,319.06-19,975.84-4,998.74

Finding the Fourth Proportional to 13,319.06, 19,975.84 and 4,998.74

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Solution

The fourth proportional to 13,319.06, 19,975.84 and 4,998.74 is: 7,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.06 : 19,975.84 = 4,998.74 : x
  2. Step 2: Convert to fraction form
    13,319.06/19,975.84 = 4,998.74/x
  3. Step 3: Cross multiply
    13,319.06x = 19,975.84 × 4,998.74
  4. Step 4: Simplify right side
    13,319.06x = 99,853,918.07
  5. Step 5: Solve for x
    x = 99,853,918.07/13,319.06
  6. Step 6: Final answer
    x = 7,497.07

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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.