Home / 18,817.95-25,968.96-10,858.62

Finding the Fourth Proportional to 18,817.95, 25,968.96 and 10,858.62

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Solution

The fourth proportional to 18,817.95, 25,968.96 and 10,858.62 is: 14,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.95 : 25,968.96 = 10,858.62 : x
  2. Step 2: Convert to fraction form
    18,817.95/25,968.96 = 10,858.62/x
  3. Step 3: Cross multiply
    18,817.95x = 25,968.96 × 10,858.62
  4. Step 4: Simplify right side
    18,817.95x = 281,987,068.44
  5. Step 5: Solve for x
    x = 281,987,068.44/18,817.95
  6. Step 6: Final answer
    x = 14,985.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.