Home / 19,774.02-27,288.63-12,225.54

Finding the Fourth Proportional to 19,774.02, 27,288.63 and 12,225.54

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Solution

The fourth proportional to 19,774.02, 27,288.63 and 12,225.54 is: 16,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.02 : 27,288.63 = 12,225.54 : x
  2. Step 2: Convert to fraction form
    19,774.02/27,288.63 = 12,225.54/x
  3. Step 3: Cross multiply
    19,774.02x = 27,288.63 × 12,225.54
  4. Step 4: Simplify right side
    19,774.02x = 333,618,237.61
  5. Step 5: Solve for x
    x = 333,618,237.61/19,774.02
  6. Step 6: Final answer
    x = 16,871.54

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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.