Home / 21,089.22-31,602.60-9,232.03

Finding the Fourth Proportional to 21,089.22, 31,602.60 and 9,232.03

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Solution

The fourth proportional to 21,089.22, 31,602.60 and 9,232.03 is: 13,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,089.22 : 31,602.60 = 9,232.03 : x
  2. Step 2: Convert to fraction form
    21,089.22/31,602.60 = 9,232.03/x
  3. Step 3: Cross multiply
    21,089.22x = 31,602.60 × 9,232.03
  4. Step 4: Simplify right side
    21,089.22x = 291,756,151.28
  5. Step 5: Solve for x
    x = 291,756,151.28/21,089.22
  6. Step 6: Final answer
    x = 13,834.37

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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.