Home / 12,810.22-19,164.67-9,699.21

Finding the Fourth Proportional to 12,810.22, 19,164.67 and 9,699.21

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Solution

The fourth proportional to 12,810.22, 19,164.67 and 9,699.21 is: 14,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810.22 : 19,164.67 = 9,699.21 : x
  2. Step 2: Convert to fraction form
    12,810.22/19,164.67 = 9,699.21/x
  3. Step 3: Cross multiply
    12,810.22x = 19,164.67 × 9,699.21
  4. Step 4: Simplify right side
    12,810.22x = 185,882,134.66
  5. Step 5: Solve for x
    x = 185,882,134.66/12,810.22
  6. Step 6: Final answer
    x = 14,510.46

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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.