Home / 12,695.11-19,055.01-7,774.36

Finding the Fourth Proportional to 12,695.11, 19,055.01 and 7,774.36

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Solution

The fourth proportional to 12,695.11, 19,055.01 and 7,774.36 is: 11,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.11 : 19,055.01 = 7,774.36 : x
  2. Step 2: Convert to fraction form
    12,695.11/19,055.01 = 7,774.36/x
  3. Step 3: Cross multiply
    12,695.11x = 19,055.01 × 7,774.36
  4. Step 4: Simplify right side
    12,695.11x = 148,140,507.54
  5. Step 5: Solve for x
    x = 148,140,507.54/12,695.11
  6. Step 6: Final answer
    x = 11,669.10

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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.