Home / 21,646.47-32,441.01-11,116.07

Finding the Fourth Proportional to 21,646.47, 32,441.01 and 11,116.07

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Solution

The fourth proportional to 21,646.47, 32,441.01 and 11,116.07 is: 16,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.47 : 32,441.01 = 11,116.07 : x
  2. Step 2: Convert to fraction form
    21,646.47/32,441.01 = 11,116.07/x
  3. Step 3: Cross multiply
    21,646.47x = 32,441.01 × 11,116.07
  4. Step 4: Simplify right side
    21,646.47x = 360,616,455.79
  5. Step 5: Solve for x
    x = 360,616,455.79/21,646.47
  6. Step 6: Final answer
    x = 16,659.36

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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.