Home / 13,228.30-19,852.04-4,909.50

Finding the Fourth Proportional to 13,228.30, 19,852.04 and 4,909.50

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Solution

The fourth proportional to 13,228.30, 19,852.04 and 4,909.50 is: 7,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.30 : 19,852.04 = 4,909.50 : x
  2. Step 2: Convert to fraction form
    13,228.30/19,852.04 = 4,909.50/x
  3. Step 3: Cross multiply
    13,228.30x = 19,852.04 × 4,909.50
  4. Step 4: Simplify right side
    13,228.30x = 97,463,590.38
  5. Step 5: Solve for x
    x = 97,463,590.38/13,228.30
  6. Step 6: Final answer
    x = 7,367.81

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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.