Home / 14,443.96-19,934-8,777.40

Finding the Fourth Proportional to 14,443.96, 19,934 and 8,777.40

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Solution

The fourth proportional to 14,443.96, 19,934 and 8,777.40 is: 12,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.96 : 19,934 = 8,777.40 : x
  2. Step 2: Convert to fraction form
    14,443.96/19,934 = 8,777.40/x
  3. Step 3: Cross multiply
    14,443.96x = 19,934 × 8,777.40
  4. Step 4: Simplify right side
    14,443.96x = 174,968,691.60
  5. Step 5: Solve for x
    x = 174,968,691.60/14,443.96
  6. Step 6: Final answer
    x = 12,113.62

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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.