Home / 19,312.10-28,968.69-6,830.36

Finding the Fourth Proportional to 19,312.10, 28,968.69 and 6,830.36

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Solution

The fourth proportional to 19,312.10, 28,968.69 and 6,830.36 is: 10,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.10 : 28,968.69 = 6,830.36 : x
  2. Step 2: Convert to fraction form
    19,312.10/28,968.69 = 6,830.36/x
  3. Step 3: Cross multiply
    19,312.10x = 28,968.69 × 6,830.36
  4. Step 4: Simplify right side
    19,312.10x = 197,866,581.43
  5. Step 5: Solve for x
    x = 197,866,581.43/19,312.10
  6. Step 6: Final answer
    x = 10,245.73

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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.