Home / 19,219.40-28,827.56-8,549.07

Finding the Fourth Proportional to 19,219.40, 28,827.56 and 8,549.07

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Solution

The fourth proportional to 19,219.40, 28,827.56 and 8,549.07 is: 12,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.40 : 28,827.56 = 8,549.07 : x
  2. Step 2: Convert to fraction form
    19,219.40/28,827.56 = 8,549.07/x
  3. Step 3: Cross multiply
    19,219.40x = 28,827.56 × 8,549.07
  4. Step 4: Simplify right side
    19,219.40x = 246,448,828.37
  5. Step 5: Solve for x
    x = 246,448,828.37/19,219.40
  6. Step 6: Final answer
    x = 12,822.92

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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.