Home / 14,011.98-19,364.40-11,490.18

Finding the Fourth Proportional to 14,011.98, 19,364.40 and 11,490.18

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Solution

The fourth proportional to 14,011.98, 19,364.40 and 11,490.18 is: 15,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.98 : 19,364.40 = 11,490.18 : x
  2. Step 2: Convert to fraction form
    14,011.98/19,364.40 = 11,490.18/x
  3. Step 3: Cross multiply
    14,011.98x = 19,364.40 × 11,490.18
  4. Step 4: Simplify right side
    14,011.98x = 222,500,441.59
  5. Step 5: Solve for x
    x = 222,500,441.59/14,011.98
  6. Step 6: Final answer
    x = 15,879.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.