Home / 14,255.19-21,385.36-4,892.80

Finding the Fourth Proportional to 14,255.19, 21,385.36 and 4,892.80

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Solution

The fourth proportional to 14,255.19, 21,385.36 and 4,892.80 is: 7,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.19 : 21,385.36 = 4,892.80 : x
  2. Step 2: Convert to fraction form
    14,255.19/21,385.36 = 4,892.80/x
  3. Step 3: Cross multiply
    14,255.19x = 21,385.36 × 4,892.80
  4. Step 4: Simplify right side
    14,255.19x = 104,634,158.02
  5. Step 5: Solve for x
    x = 104,634,158.02/14,255.19
  6. Step 6: Final answer
    x = 7,340.07

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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.