Home / 13,270.60-19,916.34-11,713.51

Finding the Fourth Proportional to 13,270.60, 19,916.34 and 11,713.51

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Solution

The fourth proportional to 13,270.60, 19,916.34 and 11,713.51 is: 17,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.60 : 19,916.34 = 11,713.51 : x
  2. Step 2: Convert to fraction form
    13,270.60/19,916.34 = 11,713.51/x
  3. Step 3: Cross multiply
    13,270.60x = 19,916.34 × 11,713.51
  4. Step 4: Simplify right side
    13,270.60x = 233,290,247.75
  5. Step 5: Solve for x
    x = 233,290,247.75/13,270.60
  6. Step 6: Final answer
    x = 17,579.48

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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.