Home / 19,210.23-28,816.83-7,369.67

Finding the Fourth Proportional to 19,210.23, 28,816.83 and 7,369.67

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Solution

The fourth proportional to 19,210.23, 28,816.83 and 7,369.67 is: 11,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.23 : 28,816.83 = 7,369.67 : x
  2. Step 2: Convert to fraction form
    19,210.23/28,816.83 = 7,369.67/x
  3. Step 3: Cross multiply
    19,210.23x = 28,816.83 × 7,369.67
  4. Step 4: Simplify right side
    19,210.23x = 212,370,599.59
  5. Step 5: Solve for x
    x = 212,370,599.59/19,210.23
  6. Step 6: Final answer
    x = 11,055.08

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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.