Home / 12,017.40-17,998.26-11,602.20

Finding the Fourth Proportional to 12,017.40, 17,998.26 and 11,602.20

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Solution

The fourth proportional to 12,017.40, 17,998.26 and 11,602.20 is: 17,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.40 : 17,998.26 = 11,602.20 : x
  2. Step 2: Convert to fraction form
    12,017.40/17,998.26 = 11,602.20/x
  3. Step 3: Cross multiply
    12,017.40x = 17,998.26 × 11,602.20
  4. Step 4: Simplify right side
    12,017.40x = 208,819,412.17
  5. Step 5: Solve for x
    x = 208,819,412.17/12,017.40
  6. Step 6: Final answer
    x = 17,376.42

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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.