Home / 19,460.40-29,200.80-8,933.60

Finding the Fourth Proportional to 19,460.40, 29,200.80 and 8,933.60

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Solution

The fourth proportional to 19,460.40, 29,200.80 and 8,933.60 is: 13,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.40 : 29,200.80 = 8,933.60 : x
  2. Step 2: Convert to fraction form
    19,460.40/29,200.80 = 8,933.60/x
  3. Step 3: Cross multiply
    19,460.40x = 29,200.80 × 8,933.60
  4. Step 4: Simplify right side
    19,460.40x = 260,868,266.88
  5. Step 5: Solve for x
    x = 260,868,266.88/19,460.40
  6. Step 6: Final answer
    x = 13,405.08

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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.