Home / 14,638.57-21,957.86-3,545.26

Finding the Fourth Proportional to 14,638.57, 21,957.86 and 3,545.26

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Solution

The fourth proportional to 14,638.57, 21,957.86 and 3,545.26 is: 5,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.57 : 21,957.86 = 3,545.26 : x
  2. Step 2: Convert to fraction form
    14,638.57/21,957.86 = 3,545.26/x
  3. Step 3: Cross multiply
    14,638.57x = 21,957.86 × 3,545.26
  4. Step 4: Simplify right side
    14,638.57x = 77,846,322.74
  5. Step 5: Solve for x
    x = 77,846,322.74/14,638.57
  6. Step 6: Final answer
    x = 5,317.89

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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.