Home / 19,255.40-28,885.80-6,106.40

Finding the Fourth Proportional to 19,255.40, 28,885.80 and 6,106.40

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Solution

The fourth proportional to 19,255.40, 28,885.80 and 6,106.40 is: 9,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.40 : 28,885.80 = 6,106.40 : x
  2. Step 2: Convert to fraction form
    19,255.40/28,885.80 = 6,106.40/x
  3. Step 3: Cross multiply
    19,255.40x = 28,885.80 × 6,106.40
  4. Step 4: Simplify right side
    19,255.40x = 176,388,249.12
  5. Step 5: Solve for x
    x = 176,388,249.12/19,255.40
  6. Step 6: Final answer
    x = 9,160.46

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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.