Home / 15,980.98-23,971.45-4,294.20

Finding the Fourth Proportional to 15,980.98, 23,971.45 and 4,294.20

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Solution

The fourth proportional to 15,980.98, 23,971.45 and 4,294.20 is: 6,441.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.98 : 23,971.45 = 4,294.20 : x
  2. Step 2: Convert to fraction form
    15,980.98/23,971.45 = 4,294.20/x
  3. Step 3: Cross multiply
    15,980.98x = 23,971.45 × 4,294.20
  4. Step 4: Simplify right side
    15,980.98x = 102,938,200.59
  5. Step 5: Solve for x
    x = 102,938,200.59/15,980.98
  6. Step 6: Final answer
    x = 6,441.29

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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.