Home / 19,302.23-28,943.33-9,940.05

Finding the Fourth Proportional to 19,302.23, 28,943.33 and 9,940.05

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Solution

The fourth proportional to 19,302.23, 28,943.33 and 9,940.05 is: 14,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.23 : 28,943.33 = 9,940.05 : x
  2. Step 2: Convert to fraction form
    19,302.23/28,943.33 = 9,940.05/x
  3. Step 3: Cross multiply
    19,302.23x = 28,943.33 × 9,940.05
  4. Step 4: Simplify right side
    19,302.23x = 287,698,097.67
  5. Step 5: Solve for x
    x = 287,698,097.67/19,302.23
  6. Step 6: Final answer
    x = 14,904.91

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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.