Home / 12,952.20-19,429.37-5,457.93

Finding the Fourth Proportional to 12,952.20, 19,429.37 and 5,457.93

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Solution

The fourth proportional to 12,952.20, 19,429.37 and 5,457.93 is: 8,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952.20 : 19,429.37 = 5,457.93 : x
  2. Step 2: Convert to fraction form
    12,952.20/19,429.37 = 5,457.93/x
  3. Step 3: Cross multiply
    12,952.20x = 19,429.37 × 5,457.93
  4. Step 4: Simplify right side
    12,952.20x = 106,044,114.11
  5. Step 5: Solve for x
    x = 106,044,114.11/12,952.20
  6. Step 6: Final answer
    x = 8,187.34

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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.