Home / 19,519.40-29,279.10-6,368.60

Finding the Fourth Proportional to 19,519.40, 29,279.10 and 6,368.60

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Solution

The fourth proportional to 19,519.40, 29,279.10 and 6,368.60 is: 9,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.40 : 29,279.10 = 6,368.60 : x
  2. Step 2: Convert to fraction form
    19,519.40/29,279.10 = 6,368.60/x
  3. Step 3: Cross multiply
    19,519.40x = 29,279.10 × 6,368.60
  4. Step 4: Simplify right side
    19,519.40x = 186,466,876.26
  5. Step 5: Solve for x
    x = 186,466,876.26/19,519.40
  6. Step 6: Final answer
    x = 9,552.90

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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.