Home / 15,708.21-21,682.38-10,058.18

Finding the Fourth Proportional to 15,708.21, 21,682.38 and 10,058.18

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Solution

The fourth proportional to 15,708.21, 21,682.38 and 10,058.18 is: 13,883.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.21 : 21,682.38 = 10,058.18 : x
  2. Step 2: Convert to fraction form
    15,708.21/21,682.38 = 10,058.18/x
  3. Step 3: Cross multiply
    15,708.21x = 21,682.38 × 10,058.18
  4. Step 4: Simplify right side
    15,708.21x = 218,085,172.46
  5. Step 5: Solve for x
    x = 218,085,172.46/15,708.21
  6. Step 6: Final answer
    x = 13,883.52

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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.