Home / 19,290.09-28,937.44-6,807.53

Finding the Fourth Proportional to 19,290.09, 28,937.44 and 6,807.53

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Solution

The fourth proportional to 19,290.09, 28,937.44 and 6,807.53 is: 10,212.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.09 : 28,937.44 = 6,807.53 : x
  2. Step 2: Convert to fraction form
    19,290.09/28,937.44 = 6,807.53/x
  3. Step 3: Cross multiply
    19,290.09x = 28,937.44 × 6,807.53
  4. Step 4: Simplify right side
    19,290.09x = 196,992,490.92
  5. Step 5: Solve for x
    x = 196,992,490.92/19,290.09
  6. Step 6: Final answer
    x = 10,212.11

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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.