Home / 13,088.52-19,629.34-8,927.75

Finding the Fourth Proportional to 13,088.52, 19,629.34 and 8,927.75

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Solution

The fourth proportional to 13,088.52, 19,629.34 and 8,927.75 is: 13,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.52 : 19,629.34 = 8,927.75 : x
  2. Step 2: Convert to fraction form
    13,088.52/19,629.34 = 8,927.75/x
  3. Step 3: Cross multiply
    13,088.52x = 19,629.34 × 8,927.75
  4. Step 4: Simplify right side
    13,088.52x = 175,245,866.94
  5. Step 5: Solve for x
    x = 175,245,866.94/13,088.52
  6. Step 6: Final answer
    x = 13,389.28

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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.