Home / 14,133.20-19,509.96-10,984.40

Finding the Fourth Proportional to 14,133.20, 19,509.96 and 10,984.40

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Solution

The fourth proportional to 14,133.20, 19,509.96 and 10,984.40 is: 15,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.20 : 19,509.96 = 10,984.40 : x
  2. Step 2: Convert to fraction form
    14,133.20/19,509.96 = 10,984.40/x
  3. Step 3: Cross multiply
    14,133.20x = 19,509.96 × 10,984.40
  4. Step 4: Simplify right side
    14,133.20x = 214,305,204.62
  5. Step 5: Solve for x
    x = 214,305,204.62/14,133.20
  6. Step 6: Final answer
    x = 15,163.25

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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.