Home / 19,885.25-29,762.96-14,618.86

Finding the Fourth Proportional to 19,885.25, 29,762.96 and 14,618.86

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Solution

The fourth proportional to 19,885.25, 29,762.96 and 14,618.86 is: 21,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.25 : 29,762.96 = 14,618.86 : x
  2. Step 2: Convert to fraction form
    19,885.25/29,762.96 = 14,618.86/x
  3. Step 3: Cross multiply
    19,885.25x = 29,762.96 × 14,618.86
  4. Step 4: Simplify right side
    19,885.25x = 435,100,545.43
  5. Step 5: Solve for x
    x = 435,100,545.43/19,885.25
  6. Step 6: Final answer
    x = 21,880.57

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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.