Home / 19,328.23-28,990.72-6,177.07

Finding the Fourth Proportional to 19,328.23, 28,990.72 and 6,177.07

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Solution

The fourth proportional to 19,328.23, 28,990.72 and 6,177.07 is: 9,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.23 : 28,990.72 = 6,177.07 : x
  2. Step 2: Convert to fraction form
    19,328.23/28,990.72 = 6,177.07/x
  3. Step 3: Cross multiply
    19,328.23x = 28,990.72 × 6,177.07
  4. Step 4: Simplify right side
    19,328.23x = 179,077,706.79
  5. Step 5: Solve for x
    x = 179,077,706.79/19,328.23
  6. Step 6: Final answer
    x = 9,265.09

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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.