Home / 14,402.08-21,571.80-6,990.94

Finding the Fourth Proportional to 14,402.08, 21,571.80 and 6,990.94

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Solution

The fourth proportional to 14,402.08, 21,571.80 and 6,990.94 is: 10,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.08 : 21,571.80 = 6,990.94 : x
  2. Step 2: Convert to fraction form
    14,402.08/21,571.80 = 6,990.94/x
  3. Step 3: Cross multiply
    14,402.08x = 21,571.80 × 6,990.94
  4. Step 4: Simplify right side
    14,402.08x = 150,807,159.49
  5. Step 5: Solve for x
    x = 150,807,159.49/14,402.08
  6. Step 6: Final answer
    x = 10,471.21

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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.