Home / 19,013.82-28,519.94-4,973.63

Finding the Fourth Proportional to 19,013.82, 28,519.94 and 4,973.63

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Solution

The fourth proportional to 19,013.82, 28,519.94 and 4,973.63 is: 7,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.82 : 28,519.94 = 4,973.63 : x
  2. Step 2: Convert to fraction form
    19,013.82/28,519.94 = 4,973.63/x
  3. Step 3: Cross multiply
    19,013.82x = 28,519.94 × 4,973.63
  4. Step 4: Simplify right side
    19,013.82x = 141,847,461.71
  5. Step 5: Solve for x
    x = 141,847,461.71/19,013.82
  6. Step 6: Final answer
    x = 7,460.23

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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.