Home / 14,345.90-21,494.54-8,787.63

Finding the Fourth Proportional to 14,345.90, 21,494.54 and 8,787.63

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Solution

The fourth proportional to 14,345.90, 21,494.54 and 8,787.63 is: 13,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.90 : 21,494.54 = 8,787.63 : x
  2. Step 2: Convert to fraction form
    14,345.90/21,494.54 = 8,787.63/x
  3. Step 3: Cross multiply
    14,345.90x = 21,494.54 × 8,787.63
  4. Step 4: Simplify right side
    14,345.90x = 188,886,020.60
  5. Step 5: Solve for x
    x = 188,886,020.60/14,345.90
  6. Step 6: Final answer
    x = 13,166.56

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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.