Home / 11,943.36-16,482.18-7,853.64

Finding the Fourth Proportional to 11,943.36, 16,482.18 and 7,853.64

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Solution

The fourth proportional to 11,943.36, 16,482.18 and 7,853.64 is: 10,838.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.36 : 16,482.18 = 7,853.64 : x
  2. Step 2: Convert to fraction form
    11,943.36/16,482.18 = 7,853.64/x
  3. Step 3: Cross multiply
    11,943.36x = 16,482.18 × 7,853.64
  4. Step 4: Simplify right side
    11,943.36x = 129,445,108.14
  5. Step 5: Solve for x
    x = 129,445,108.14/11,943.36
  6. Step 6: Final answer
    x = 10,838.25

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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.