Home / 13,119.03-19,756.98-11,495.18

Finding the Fourth Proportional to 13,119.03, 19,756.98 and 11,495.18

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Solution

The fourth proportional to 13,119.03, 19,756.98 and 11,495.18 is: 17,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.03 : 19,756.98 = 11,495.18 : x
  2. Step 2: Convert to fraction form
    13,119.03/19,756.98 = 11,495.18/x
  3. Step 3: Cross multiply
    13,119.03x = 19,756.98 × 11,495.18
  4. Step 4: Simplify right side
    13,119.03x = 227,110,090.75
  5. Step 5: Solve for x
    x = 227,110,090.75/13,119.03
  6. Step 6: Final answer
    x = 17,311.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.