Home / 14,130.88-21,192.77-5,813.19

Finding the Fourth Proportional to 14,130.88, 21,192.77 and 5,813.19

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Solution

The fourth proportional to 14,130.88, 21,192.77 and 5,813.19 is: 8,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.88 : 21,192.77 = 5,813.19 : x
  2. Step 2: Convert to fraction form
    14,130.88/21,192.77 = 5,813.19/x
  3. Step 3: Cross multiply
    14,130.88x = 21,192.77 × 5,813.19
  4. Step 4: Simplify right side
    14,130.88x = 123,197,613.17
  5. Step 5: Solve for x
    x = 123,197,613.17/14,130.88
  6. Step 6: Final answer
    x = 8,718.33

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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.