Home / 9,659.23-14,485.77-4,978.64

Finding the Fourth Proportional to 9,659.23, 14,485.77 and 4,978.64

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Solution

The fourth proportional to 9,659.23, 14,485.77 and 4,978.64 is: 7,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659.23 : 14,485.77 = 4,978.64 : x
  2. Step 2: Convert to fraction form
    9,659.23/14,485.77 = 4,978.64/x
  3. Step 3: Cross multiply
    9,659.23x = 14,485.77 × 4,978.64
  4. Step 4: Simplify right side
    9,659.23x = 72,119,433.95
  5. Step 5: Solve for x
    x = 72,119,433.95/9,659.23
  6. Step 6: Final answer
    x = 7,466.38

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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.