Home / 9,639.80-14,459.70-4,706.90

Finding the Fourth Proportional to 9,639.80, 14,459.70 and 4,706.90

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Solution

The fourth proportional to 9,639.80, 14,459.70 and 4,706.90 is: 7,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.80 : 14,459.70 = 4,706.90 : x
  2. Step 2: Convert to fraction form
    9,639.80/14,459.70 = 4,706.90/x
  3. Step 3: Cross multiply
    9,639.80x = 14,459.70 × 4,706.90
  4. Step 4: Simplify right side
    9,639.80x = 68,060,361.93
  5. Step 5: Solve for x
    x = 68,060,361.93/9,639.80
  6. Step 6: Final answer
    x = 7,060.35

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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.