Home / 14,135.98-21,204.06-4,899.82

Finding the Fourth Proportional to 14,135.98, 21,204.06 and 4,899.82

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Solution

The fourth proportional to 14,135.98, 21,204.06 and 4,899.82 is: 7,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.98 : 21,204.06 = 4,899.82 : x
  2. Step 2: Convert to fraction form
    14,135.98/21,204.06 = 4,899.82/x
  3. Step 3: Cross multiply
    14,135.98x = 21,204.06 × 4,899.82
  4. Step 4: Simplify right side
    14,135.98x = 103,896,077.27
  5. Step 5: Solve for x
    x = 103,896,077.27/14,135.98
  6. Step 6: Final answer
    x = 7,349.76

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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.