Home / 14,378.09-19,840.04-8,003.16

Finding the Fourth Proportional to 14,378.09, 19,840.04 and 8,003.16

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Solution

The fourth proportional to 14,378.09, 19,840.04 and 8,003.16 is: 11,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.09 : 19,840.04 = 8,003.16 : x
  2. Step 2: Convert to fraction form
    14,378.09/19,840.04 = 8,003.16/x
  3. Step 3: Cross multiply
    14,378.09x = 19,840.04 × 8,003.16
  4. Step 4: Simplify right side
    14,378.09x = 158,782,960.13
  5. Step 5: Solve for x
    x = 158,782,960.13/14,378.09
  6. Step 6: Final answer
    x = 11,043.40

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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.