Home / 14,153.40-21,312.36-10,481.64

Finding the Fourth Proportional to 14,153.40, 21,312.36 and 10,481.64

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Solution

The fourth proportional to 14,153.40, 21,312.36 and 10,481.64 is: 15,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.40 : 21,312.36 = 10,481.64 : x
  2. Step 2: Convert to fraction form
    14,153.40/21,312.36 = 10,481.64/x
  3. Step 3: Cross multiply
    14,153.40x = 21,312.36 × 10,481.64
  4. Step 4: Simplify right side
    14,153.40x = 223,388,485.07
  5. Step 5: Solve for x
    x = 223,388,485.07/14,153.40
  6. Step 6: Final answer
    x = 15,783.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.