Home / 14,664.69-20,248.94-13,545.23

Finding the Fourth Proportional to 14,664.69, 20,248.94 and 13,545.23

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Solution

The fourth proportional to 14,664.69, 20,248.94 and 13,545.23 is: 18,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.69 : 20,248.94 = 13,545.23 : x
  2. Step 2: Convert to fraction form
    14,664.69/20,248.94 = 13,545.23/x
  3. Step 3: Cross multiply
    14,664.69x = 20,248.94 × 13,545.23
  4. Step 4: Simplify right side
    14,664.69x = 274,276,380.59
  5. Step 5: Solve for x
    x = 274,276,380.59/14,664.69
  6. Step 6: Final answer
    x = 18,703.18

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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.