Home / 14,014.36-19,338.06-8,045.20

Finding the Fourth Proportional to 14,014.36, 19,338.06 and 8,045.20

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Solution

The fourth proportional to 14,014.36, 19,338.06 and 8,045.20 is: 11,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.36 : 19,338.06 = 8,045.20 : x
  2. Step 2: Convert to fraction form
    14,014.36/19,338.06 = 8,045.20/x
  3. Step 3: Cross multiply
    14,014.36x = 19,338.06 × 8,045.20
  4. Step 4: Simplify right side
    14,014.36x = 155,578,560.31
  5. Step 5: Solve for x
    x = 155,578,560.31/14,014.36
  6. Step 6: Final answer
    x = 11,101.37

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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.