Home / 14,130.86-21,193.56-4,267.85

Finding the Fourth Proportional to 14,130.86, 21,193.56 and 4,267.85

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Solution

The fourth proportional to 14,130.86, 21,193.56 and 4,267.85 is: 6,400.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.86 : 21,193.56 = 4,267.85 : x
  2. Step 2: Convert to fraction form
    14,130.86/21,193.56 = 4,267.85/x
  3. Step 3: Cross multiply
    14,130.86x = 21,193.56 × 4,267.85
  4. Step 4: Simplify right side
    14,130.86x = 90,450,829.08
  5. Step 5: Solve for x
    x = 90,450,829.08/14,130.86
  6. Step 6: Final answer
    x = 6,400.95

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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.