Home / 15,613.17-21,555.09-10,323.33

Finding the Fourth Proportional to 15,613.17, 21,555.09 and 10,323.33

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Solution

The fourth proportional to 15,613.17, 21,555.09 and 10,323.33 is: 14,252.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.17 : 21,555.09 = 10,323.33 : x
  2. Step 2: Convert to fraction form
    15,613.17/21,555.09 = 10,323.33/x
  3. Step 3: Cross multiply
    15,613.17x = 21,555.09 × 10,323.33
  4. Step 4: Simplify right side
    15,613.17x = 222,520,307.25
  5. Step 5: Solve for x
    x = 222,520,307.25/15,613.17
  6. Step 6: Final answer
    x = 14,252.09

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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.