Home / 20,231.04-30,355.06-9,706.72

Finding the Fourth Proportional to 20,231.04, 30,355.06 and 9,706.72

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Solution

The fourth proportional to 20,231.04, 30,355.06 and 9,706.72 is: 14,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231.04 : 30,355.06 = 9,706.72 : x
  2. Step 2: Convert to fraction form
    20,231.04/30,355.06 = 9,706.72/x
  3. Step 3: Cross multiply
    20,231.04x = 30,355.06 × 9,706.72
  4. Step 4: Simplify right side
    20,231.04x = 294,648,068.00
  5. Step 5: Solve for x
    x = 294,648,068.00/20,231.04
  6. Step 6: Final answer
    x = 14,564.16

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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.