Home / 14,187.03-19,577.34-7,899

Finding the Fourth Proportional to 14,187.03, 19,577.34 and 7,899

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Solution

The fourth proportional to 14,187.03, 19,577.34 and 7,899 is: 10,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.03 : 19,577.34 = 7,899 : x
  2. Step 2: Convert to fraction form
    14,187.03/19,577.34 = 7,899/x
  3. Step 3: Cross multiply
    14,187.03x = 19,577.34 × 7,899
  4. Step 4: Simplify right side
    14,187.03x = 154,641,408.66
  5. Step 5: Solve for x
    x = 154,641,408.66/14,187.03
  6. Step 6: Final answer
    x = 10,900.20

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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.