Home / 13,823.68-19,079.40-9,629.50

Finding the Fourth Proportional to 13,823.68, 19,079.40 and 9,629.50

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Solution

The fourth proportional to 13,823.68, 19,079.40 and 9,629.50 is: 13,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.68 : 19,079.40 = 9,629.50 : x
  2. Step 2: Convert to fraction form
    13,823.68/19,079.40 = 9,629.50/x
  3. Step 3: Cross multiply
    13,823.68x = 19,079.40 × 9,629.50
  4. Step 4: Simplify right side
    13,823.68x = 183,725,082.30
  5. Step 5: Solve for x
    x = 183,725,082.30/13,823.68
  6. Step 6: Final answer
    x = 13,290.61

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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.