Home / 15,091.02-20,824.62-8,376.32

Finding the Fourth Proportional to 15,091.02, 20,824.62 and 8,376.32

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Solution

The fourth proportional to 15,091.02, 20,824.62 and 8,376.32 is: 11,558.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,091.02 : 20,824.62 = 8,376.32 : x
  2. Step 2: Convert to fraction form
    15,091.02/20,824.62 = 8,376.32/x
  3. Step 3: Cross multiply
    15,091.02x = 20,824.62 × 8,376.32
  4. Step 4: Simplify right side
    15,091.02x = 174,433,681.00
  5. Step 5: Solve for x
    x = 174,433,681.00/15,091.02
  6. Step 6: Final answer
    x = 11,558.77

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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.