Home / 19,307.18-26,647.37-11,349.81

Finding the Fourth Proportional to 19,307.18, 26,647.37 and 11,349.81

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Solution

The fourth proportional to 19,307.18, 26,647.37 and 11,349.81 is: 15,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.18 : 26,647.37 = 11,349.81 : x
  2. Step 2: Convert to fraction form
    19,307.18/26,647.37 = 11,349.81/x
  3. Step 3: Cross multiply
    19,307.18x = 26,647.37 × 11,349.81
  4. Step 4: Simplify right side
    19,307.18x = 302,442,529.75
  5. Step 5: Solve for x
    x = 302,442,529.75/19,307.18
  6. Step 6: Final answer
    x = 15,664.77

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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.