Home / 15,393.84-21,233.37-10,613.98

Finding the Fourth Proportional to 15,393.84, 21,233.37 and 10,613.98

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Solution

The fourth proportional to 15,393.84, 21,233.37 and 10,613.98 is: 14,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,393.84 : 21,233.37 = 10,613.98 : x
  2. Step 2: Convert to fraction form
    15,393.84/21,233.37 = 10,613.98/x
  3. Step 3: Cross multiply
    15,393.84x = 21,233.37 × 10,613.98
  4. Step 4: Simplify right side
    15,393.84x = 225,370,564.51
  5. Step 5: Solve for x
    x = 225,370,564.51/15,393.84
  6. Step 6: Final answer
    x = 14,640.31

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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.