Home / 13,259.01-19,876.08-4,487.79

Finding the Fourth Proportional to 13,259.01, 19,876.08 and 4,487.79

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Solution

The fourth proportional to 13,259.01, 19,876.08 and 4,487.79 is: 6,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.01 : 19,876.08 = 4,487.79 : x
  2. Step 2: Convert to fraction form
    13,259.01/19,876.08 = 4,487.79/x
  3. Step 3: Cross multiply
    13,259.01x = 19,876.08 × 4,487.79
  4. Step 4: Simplify right side
    13,259.01x = 89,199,673.06
  5. Step 5: Solve for x
    x = 89,199,673.06/13,259.01
  6. Step 6: Final answer
    x = 6,727.48

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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.