Home / 14,182.40-21,273.60-9,808.40

Finding the Fourth Proportional to 14,182.40, 21,273.60 and 9,808.40

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Solution

The fourth proportional to 14,182.40, 21,273.60 and 9,808.40 is: 14,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.40 : 21,273.60 = 9,808.40 : x
  2. Step 2: Convert to fraction form
    14,182.40/21,273.60 = 9,808.40/x
  3. Step 3: Cross multiply
    14,182.40x = 21,273.60 × 9,808.40
  4. Step 4: Simplify right side
    14,182.40x = 208,659,978.24
  5. Step 5: Solve for x
    x = 208,659,978.24/14,182.40
  6. Step 6: Final answer
    x = 14,712.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.