Home / 14,638.51-21,957.83-3,545.19

Finding the Fourth Proportional to 14,638.51, 21,957.83 and 3,545.19

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Solution

The fourth proportional to 14,638.51, 21,957.83 and 3,545.19 is: 5,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.51 : 21,957.83 = 3,545.19 : x
  2. Step 2: Convert to fraction form
    14,638.51/21,957.83 = 3,545.19/x
  3. Step 3: Cross multiply
    14,638.51x = 21,957.83 × 3,545.19
  4. Step 4: Simplify right side
    14,638.51x = 77,844,679.34
  5. Step 5: Solve for x
    x = 77,844,679.34/14,638.51
  6. Step 6: Final answer
    x = 5,317.80

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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.