Home / 14,129.03-21,197.01-9,977.15

Finding the Fourth Proportional to 14,129.03, 21,197.01 and 9,977.15

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Solution

The fourth proportional to 14,129.03, 21,197.01 and 9,977.15 is: 14,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.03 : 21,197.01 = 9,977.15 : x
  2. Step 2: Convert to fraction form
    14,129.03/21,197.01 = 9,977.15/x
  3. Step 3: Cross multiply
    14,129.03x = 21,197.01 × 9,977.15
  4. Step 4: Simplify right side
    14,129.03x = 211,485,748.32
  5. Step 5: Solve for x
    x = 211,485,748.32/14,129.03
  6. Step 6: Final answer
    x = 14,968.17

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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.