Home / 21,606.36-32,409.54-6,816.77

Finding the Fourth Proportional to 21,606.36, 32,409.54 and 6,816.77

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Solution

The fourth proportional to 21,606.36, 32,409.54 and 6,816.77 is: 10,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.36 : 32,409.54 = 6,816.77 : x
  2. Step 2: Convert to fraction form
    21,606.36/32,409.54 = 6,816.77/x
  3. Step 3: Cross multiply
    21,606.36x = 32,409.54 × 6,816.77
  4. Step 4: Simplify right side
    21,606.36x = 220,928,345.90
  5. Step 5: Solve for x
    x = 220,928,345.90/21,606.36
  6. Step 6: Final answer
    x = 10,225.16

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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.