Home / 14,129.13-21,197.23-9,977.26

Finding the Fourth Proportional to 14,129.13, 21,197.23 and 9,977.26

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Solution

The fourth proportional to 14,129.13, 21,197.23 and 9,977.26 is: 14,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.13 : 21,197.23 = 9,977.26 : x
  2. Step 2: Convert to fraction form
    14,129.13/21,197.23 = 9,977.26/x
  3. Step 3: Cross multiply
    14,129.13x = 21,197.23 × 9,977.26
  4. Step 4: Simplify right side
    14,129.13x = 211,490,274.99
  5. Step 5: Solve for x
    x = 211,490,274.99/14,129.13
  6. Step 6: Final answer
    x = 14,968.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.