Home / 15,285.08-21,094.42-8,571.14

Finding the Fourth Proportional to 15,285.08, 21,094.42 and 8,571.14

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Solution

The fourth proportional to 15,285.08, 21,094.42 and 8,571.14 is: 11,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.08 : 21,094.42 = 8,571.14 : x
  2. Step 2: Convert to fraction form
    15,285.08/21,094.42 = 8,571.14/x
  3. Step 3: Cross multiply
    15,285.08x = 21,094.42 × 8,571.14
  4. Step 4: Simplify right side
    15,285.08x = 180,803,227.04
  5. Step 5: Solve for x
    x = 180,803,227.04/15,285.08
  6. Step 6: Final answer
    x = 11,828.74

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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.