Home / 14,127.90-21,191.98-4,267.26

Finding the Fourth Proportional to 14,127.90, 21,191.98 and 4,267.26

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Solution

The fourth proportional to 14,127.90, 21,191.98 and 4,267.26 is: 6,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.90 : 21,191.98 = 4,267.26 : x
  2. Step 2: Convert to fraction form
    14,127.90/21,191.98 = 4,267.26/x
  3. Step 3: Cross multiply
    14,127.90x = 21,191.98 × 4,267.26
  4. Step 4: Simplify right side
    14,127.90x = 90,431,688.57
  5. Step 5: Solve for x
    x = 90,431,688.57/14,127.90
  6. Step 6: Final answer
    x = 6,400.93

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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.