Home / 9,776.20-14,664.30-9,718.60

Finding the Fourth Proportional to 9,776.20, 14,664.30 and 9,718.60

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Solution

The fourth proportional to 9,776.20, 14,664.30 and 9,718.60 is: 14,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,776.20 : 14,664.30 = 9,718.60 : x
  2. Step 2: Convert to fraction form
    9,776.20/14,664.30 = 9,718.60/x
  3. Step 3: Cross multiply
    9,776.20x = 14,664.30 × 9,718.60
  4. Step 4: Simplify right side
    9,776.20x = 142,516,465.98
  5. Step 5: Solve for x
    x = 142,516,465.98/9,776.20
  6. Step 6: Final answer
    x = 14,577.90

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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.