Home / 13,133.54-19,663.26-12,100.19

Finding the Fourth Proportional to 13,133.54, 19,663.26 and 12,100.19

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Solution

The fourth proportional to 13,133.54, 19,663.26 and 12,100.19 is: 18,116.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.54 : 19,663.26 = 12,100.19 : x
  2. Step 2: Convert to fraction form
    13,133.54/19,663.26 = 12,100.19/x
  3. Step 3: Cross multiply
    13,133.54x = 19,663.26 × 12,100.19
  4. Step 4: Simplify right side
    13,133.54x = 237,929,038.33
  5. Step 5: Solve for x
    x = 237,929,038.33/13,133.54
  6. Step 6: Final answer
    x = 18,116.14

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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.