Home / 14,340.48-19,787.76-8,051.64

Finding the Fourth Proportional to 14,340.48, 19,787.76 and 8,051.64

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Solution

The fourth proportional to 14,340.48, 19,787.76 and 8,051.64 is: 11,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.48 : 19,787.76 = 8,051.64 : x
  2. Step 2: Convert to fraction form
    14,340.48/19,787.76 = 8,051.64/x
  3. Step 3: Cross multiply
    14,340.48x = 19,787.76 × 8,051.64
  4. Step 4: Simplify right side
    14,340.48x = 159,323,919.93
  5. Step 5: Solve for x
    x = 159,323,919.93/14,340.48
  6. Step 6: Final answer
    x = 11,110.08

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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.