Home / 21,567.36-29,758.44-12,613.08

Finding the Fourth Proportional to 21,567.36, 29,758.44 and 12,613.08

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Solution

The fourth proportional to 21,567.36, 29,758.44 and 12,613.08 is: 17,403.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567.36 : 29,758.44 = 12,613.08 : x
  2. Step 2: Convert to fraction form
    21,567.36/29,758.44 = 12,613.08/x
  3. Step 3: Cross multiply
    21,567.36x = 29,758.44 × 12,613.08
  4. Step 4: Simplify right side
    21,567.36x = 375,345,584.40
  5. Step 5: Solve for x
    x = 375,345,584.40/21,567.36
  6. Step 6: Final answer
    x = 17,403.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.