Home / 9,822.80-14,734.20-9,628.40

Finding the Fourth Proportional to 9,822.80, 14,734.20 and 9,628.40

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Solution

The fourth proportional to 9,822.80, 14,734.20 and 9,628.40 is: 14,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822.80 : 14,734.20 = 9,628.40 : x
  2. Step 2: Convert to fraction form
    9,822.80/14,734.20 = 9,628.40/x
  3. Step 3: Cross multiply
    9,822.80x = 14,734.20 × 9,628.40
  4. Step 4: Simplify right side
    9,822.80x = 141,866,771.28
  5. Step 5: Solve for x
    x = 141,866,771.28/9,822.80
  6. Step 6: Final answer
    x = 14,442.60

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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.