Home / 15,722.36-21,681.96-10,058.90

Finding the Fourth Proportional to 15,722.36, 21,681.96 and 10,058.90

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Solution

The fourth proportional to 15,722.36, 21,681.96 and 10,058.90 is: 13,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,722.36 : 21,681.96 = 10,058.90 : x
  2. Step 2: Convert to fraction form
    15,722.36/21,681.96 = 10,058.90/x
  3. Step 3: Cross multiply
    15,722.36x = 21,681.96 × 10,058.90
  4. Step 4: Simplify right side
    15,722.36x = 218,096,559.03
  5. Step 5: Solve for x
    x = 218,096,559.03/15,722.36
  6. Step 6: Final answer
    x = 13,871.75

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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.