Home / 14,428.09-19,916.07-8,464.77

Finding the Fourth Proportional to 14,428.09, 19,916.07 and 8,464.77

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Solution

The fourth proportional to 14,428.09, 19,916.07 and 8,464.77 is: 11,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.09 : 19,916.07 = 8,464.77 : x
  2. Step 2: Convert to fraction form
    14,428.09/19,916.07 = 8,464.77/x
  3. Step 3: Cross multiply
    14,428.09x = 19,916.07 × 8,464.77
  4. Step 4: Simplify right side
    14,428.09x = 168,584,920.11
  5. Step 5: Solve for x
    x = 168,584,920.11/14,428.09
  6. Step 6: Final answer
    x = 11,684.49

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1.5x scale

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.