Home / 12,905.46-19,365.48-7,062.66

Finding the Fourth Proportional to 12,905.46, 19,365.48 and 7,062.66

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Solution

The fourth proportional to 12,905.46, 19,365.48 and 7,062.66 is: 10,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905.46 : 19,365.48 = 7,062.66 : x
  2. Step 2: Convert to fraction form
    12,905.46/19,365.48 = 7,062.66/x
  3. Step 3: Cross multiply
    12,905.46x = 19,365.48 × 7,062.66
  4. Step 4: Simplify right side
    12,905.46x = 136,771,800.98
  5. Step 5: Solve for x
    x = 136,771,800.98/12,905.46
  6. Step 6: Final answer
    x = 10,597.98

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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.