Home / 21,637.36-32,440.88-9,944.24

Finding the Fourth Proportional to 21,637.36, 32,440.88 and 9,944.24

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Solution

The fourth proportional to 21,637.36, 32,440.88 and 9,944.24 is: 14,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637.36 : 32,440.88 = 9,944.24 : x
  2. Step 2: Convert to fraction form
    21,637.36/32,440.88 = 9,944.24/x
  3. Step 3: Cross multiply
    21,637.36x = 32,440.88 × 9,944.24
  4. Step 4: Simplify right side
    21,637.36x = 322,599,896.53
  5. Step 5: Solve for x
    x = 322,599,896.53/21,637.36
  6. Step 6: Final answer
    x = 14,909.39

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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.