Home / 19,290.17-28,927.91-6,807.87

Finding the Fourth Proportional to 19,290.17, 28,927.91 and 6,807.87

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Solution

The fourth proportional to 19,290.17, 28,927.91 and 6,807.87 is: 10,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.17 : 28,927.91 = 6,807.87 : x
  2. Step 2: Convert to fraction form
    19,290.17/28,927.91 = 6,807.87/x
  3. Step 3: Cross multiply
    19,290.17x = 28,927.91 × 6,807.87
  4. Step 4: Simplify right side
    19,290.17x = 196,937,467.67
  5. Step 5: Solve for x
    x = 196,937,467.67/19,290.17
  6. Step 6: Final answer
    x = 10,209.21

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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.