Home / 14,070.94-21,107.12-4,210.31

Finding the Fourth Proportional to 14,070.94, 21,107.12 and 4,210.31

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Solution

The fourth proportional to 14,070.94, 21,107.12 and 4,210.31 is: 6,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.94 : 21,107.12 = 4,210.31 : x
  2. Step 2: Convert to fraction form
    14,070.94/21,107.12 = 4,210.31/x
  3. Step 3: Cross multiply
    14,070.94x = 21,107.12 × 4,210.31
  4. Step 4: Simplify right side
    14,070.94x = 88,867,550.12
  5. Step 5: Solve for x
    x = 88,867,550.12/14,070.94
  6. Step 6: Final answer
    x = 6,315.68

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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.