Home / 19,225.40-28,830.90-13,364.60

Finding the Fourth Proportional to 19,225.40, 28,830.90 and 13,364.60

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Solution

The fourth proportional to 19,225.40, 28,830.90 and 13,364.60 is: 20,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225.40 : 28,830.90 = 13,364.60 : x
  2. Step 2: Convert to fraction form
    19,225.40/28,830.90 = 13,364.60/x
  3. Step 3: Cross multiply
    19,225.40x = 28,830.90 × 13,364.60
  4. Step 4: Simplify right side
    19,225.40x = 385,313,446.14
  5. Step 5: Solve for x
    x = 385,313,446.14/19,225.40
  6. Step 6: Final answer
    x = 20,041.89

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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.