Home / 9,619.80-14,430.20-4,693.64

Finding the Fourth Proportional to 9,619.80, 14,430.20 and 4,693.64

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Solution

The fourth proportional to 9,619.80, 14,430.20 and 4,693.64 is: 7,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.80 : 14,430.20 = 4,693.64 : x
  2. Step 2: Convert to fraction form
    9,619.80/14,430.20 = 4,693.64/x
  3. Step 3: Cross multiply
    9,619.80x = 14,430.20 × 4,693.64
  4. Step 4: Simplify right side
    9,619.80x = 67,730,163.93
  5. Step 5: Solve for x
    x = 67,730,163.93/9,619.80
  6. Step 6: Final answer
    x = 7,040.70

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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.