Home / 21,303.29-29,401.44-12,353.60

Finding the Fourth Proportional to 21,303.29, 29,401.44 and 12,353.60

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Solution

The fourth proportional to 21,303.29, 29,401.44 and 12,353.60 is: 17,049.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,303.29 : 29,401.44 = 12,353.60 : x
  2. Step 2: Convert to fraction form
    21,303.29/29,401.44 = 12,353.60/x
  3. Step 3: Cross multiply
    21,303.29x = 29,401.44 × 12,353.60
  4. Step 4: Simplify right side
    21,303.29x = 363,213,629.18
  5. Step 5: Solve for x
    x = 363,213,629.18/21,303.29
  6. Step 6: Final answer
    x = 17,049.65

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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.