Home / 12,821.56-19,232.61-4,058.98

Finding the Fourth Proportional to 12,821.56, 19,232.61 and 4,058.98

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Solution

The fourth proportional to 12,821.56, 19,232.61 and 4,058.98 is: 6,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821.56 : 19,232.61 = 4,058.98 : x
  2. Step 2: Convert to fraction form
    12,821.56/19,232.61 = 4,058.98/x
  3. Step 3: Cross multiply
    12,821.56x = 19,232.61 × 4,058.98
  4. Step 4: Simplify right side
    12,821.56x = 78,064,779.34
  5. Step 5: Solve for x
    x = 78,064,779.34/12,821.56
  6. Step 6: Final answer
    x = 6,088.56

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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.