Home / 21,316.14-29,401.02-14,230.26

Finding the Fourth Proportional to 21,316.14, 29,401.02 and 14,230.26

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Solution

The fourth proportional to 21,316.14, 29,401.02 and 14,230.26 is: 19,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,316.14 : 29,401.02 = 14,230.26 : x
  2. Step 2: Convert to fraction form
    21,316.14/29,401.02 = 14,230.26/x
  3. Step 3: Cross multiply
    21,316.14x = 29,401.02 × 14,230.26
  4. Step 4: Simplify right side
    21,316.14x = 418,384,158.87
  5. Step 5: Solve for x
    x = 418,384,158.87/21,316.14
  6. Step 6: Final answer
    x = 19,627.58

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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.