Home / 21,457.52-32,195.16-11,585.19

Finding the Fourth Proportional to 21,457.52, 32,195.16 and 11,585.19

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Solution

The fourth proportional to 21,457.52, 32,195.16 and 11,585.19 is: 17,382.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457.52 : 32,195.16 = 11,585.19 : x
  2. Step 2: Convert to fraction form
    21,457.52/32,195.16 = 11,585.19/x
  3. Step 3: Cross multiply
    21,457.52x = 32,195.16 × 11,585.19
  4. Step 4: Simplify right side
    21,457.52x = 372,987,045.68
  5. Step 5: Solve for x
    x = 372,987,045.68/21,457.52
  6. Step 6: Final answer
    x = 17,382.58

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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.