Home / 19,899.95-29,842.99-6,570.09

Finding the Fourth Proportional to 19,899.95, 29,842.99 and 6,570.09

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Solution

The fourth proportional to 19,899.95, 29,842.99 and 6,570.09 is: 9,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.95 : 29,842.99 = 6,570.09 : x
  2. Step 2: Convert to fraction form
    19,899.95/29,842.99 = 6,570.09/x
  3. Step 3: Cross multiply
    19,899.95x = 29,842.99 × 6,570.09
  4. Step 4: Simplify right side
    19,899.95x = 196,071,113.74
  5. Step 5: Solve for x
    x = 196,071,113.74/19,899.95
  6. Step 6: Final answer
    x = 9,852.85

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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.