Home / 14,642.93-21,931.58-8,787.44

Finding the Fourth Proportional to 14,642.93, 21,931.58 and 8,787.44

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Solution

The fourth proportional to 14,642.93, 21,931.58 and 8,787.44 is: 13,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.93 : 21,931.58 = 8,787.44 : x
  2. Step 2: Convert to fraction form
    14,642.93/21,931.58 = 8,787.44/x
  3. Step 3: Cross multiply
    14,642.93x = 21,931.58 × 8,787.44
  4. Step 4: Simplify right side
    14,642.93x = 192,722,289.76
  5. Step 5: Solve for x
    x = 192,722,289.76/14,642.93
  6. Step 6: Final answer
    x = 13,161.46

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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.