Home / 15,436.97-23,136.45-8,779.05

Finding the Fourth Proportional to 15,436.97, 23,136.45 and 8,779.05

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Solution

The fourth proportional to 15,436.97, 23,136.45 and 8,779.05 is: 13,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.97 : 23,136.45 = 8,779.05 : x
  2. Step 2: Convert to fraction form
    15,436.97/23,136.45 = 8,779.05/x
  3. Step 3: Cross multiply
    15,436.97x = 23,136.45 × 8,779.05
  4. Step 4: Simplify right side
    15,436.97x = 203,116,051.37
  5. Step 5: Solve for x
    x = 203,116,051.37/15,436.97
  6. Step 6: Final answer
    x = 13,157.77

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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.