Home / 14,106.40-21,156.72-5,784.48

Finding the Fourth Proportional to 14,106.40, 21,156.72 and 5,784.48

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Solution

The fourth proportional to 14,106.40, 21,156.72 and 5,784.48 is: 8,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.40 : 21,156.72 = 5,784.48 : x
  2. Step 2: Convert to fraction form
    14,106.40/21,156.72 = 5,784.48/x
  3. Step 3: Cross multiply
    14,106.40x = 21,156.72 × 5,784.48
  4. Step 4: Simplify right side
    14,106.40x = 122,380,623.71
  5. Step 5: Solve for x
    x = 122,380,623.71/14,106.40
  6. Step 6: Final answer
    x = 8,675.54

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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.