Home / 15,459.67-21,330.77-10,433.22

Finding the Fourth Proportional to 15,459.67, 21,330.77 and 10,433.22

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Solution

The fourth proportional to 15,459.67, 21,330.77 and 10,433.22 is: 14,395.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.67 : 21,330.77 = 10,433.22 : x
  2. Step 2: Convert to fraction form
    15,459.67/21,330.77 = 10,433.22/x
  3. Step 3: Cross multiply
    15,459.67x = 21,330.77 × 10,433.22
  4. Step 4: Simplify right side
    15,459.67x = 222,548,616.18
  5. Step 5: Solve for x
    x = 222,548,616.18/15,459.67
  6. Step 6: Final answer
    x = 14,395.43

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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.