Home / 13,283.47-19,927.91-5,492.28

Finding the Fourth Proportional to 13,283.47, 19,927.91 and 5,492.28

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Solution

The fourth proportional to 13,283.47, 19,927.91 and 5,492.28 is: 8,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.47 : 19,927.91 = 5,492.28 : x
  2. Step 2: Convert to fraction form
    13,283.47/19,927.91 = 5,492.28/x
  3. Step 3: Cross multiply
    13,283.47x = 19,927.91 × 5,492.28
  4. Step 4: Simplify right side
    13,283.47x = 109,449,661.53
  5. Step 5: Solve for x
    x = 109,449,661.53/13,283.47
  6. Step 6: Final answer
    x = 8,239.54

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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.