Home / 15,563.02-21,477.57-8,849.26

Finding the Fourth Proportional to 15,563.02, 21,477.57 and 8,849.26

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Solution

The fourth proportional to 15,563.02, 21,477.57 and 8,849.26 is: 12,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.02 : 21,477.57 = 8,849.26 : x
  2. Step 2: Convert to fraction form
    15,563.02/21,477.57 = 8,849.26/x
  3. Step 3: Cross multiply
    15,563.02x = 21,477.57 × 8,849.26
  4. Step 4: Simplify right side
    15,563.02x = 190,060,601.10
  5. Step 5: Solve for x
    x = 190,060,601.10/15,563.02
  6. Step 6: Final answer
    x = 12,212.32

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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.