Home / 14,289.66-19,719.27-7,916.52

Finding the Fourth Proportional to 14,289.66, 19,719.27 and 7,916.52

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Solution

The fourth proportional to 14,289.66, 19,719.27 and 7,916.52 is: 10,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.66 : 19,719.27 = 7,916.52 : x
  2. Step 2: Convert to fraction form
    14,289.66/19,719.27 = 7,916.52/x
  3. Step 3: Cross multiply
    14,289.66x = 19,719.27 × 7,916.52
  4. Step 4: Simplify right side
    14,289.66x = 156,107,995.34
  5. Step 5: Solve for x
    x = 156,107,995.34/14,289.66
  6. Step 6: Final answer
    x = 10,924.54

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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.