Home / 14,255.45-21,385.74-4,893.05

Finding the Fourth Proportional to 14,255.45, 21,385.74 and 4,893.05

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Solution

The fourth proportional to 14,255.45, 21,385.74 and 4,893.05 is: 7,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.45 : 21,385.74 = 4,893.05 : x
  2. Step 2: Convert to fraction form
    14,255.45/21,385.74 = 4,893.05/x
  3. Step 3: Cross multiply
    14,255.45x = 21,385.74 × 4,893.05
  4. Step 4: Simplify right side
    14,255.45x = 104,641,363.71
  5. Step 5: Solve for x
    x = 104,641,363.71/14,255.45
  6. Step 6: Final answer
    x = 7,340.45

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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.