Home / 9,628.80-14,443.20-7,017.60

Finding the Fourth Proportional to 9,628.80, 14,443.20 and 7,017.60

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Solution

The fourth proportional to 9,628.80, 14,443.20 and 7,017.60 is: 10,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.80 : 14,443.20 = 7,017.60 : x
  2. Step 2: Convert to fraction form
    9,628.80/14,443.20 = 7,017.60/x
  3. Step 3: Cross multiply
    9,628.80x = 14,443.20 × 7,017.60
  4. Step 4: Simplify right side
    9,628.80x = 101,356,600.32
  5. Step 5: Solve for x
    x = 101,356,600.32/9,628.80
  6. Step 6: Final answer
    x = 10,526.40

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Similar ratio
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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.