Home / 13,188.90-19,783.55-4,304.19

Finding the Fourth Proportional to 13,188.90, 19,783.55 and 4,304.19

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Solution

The fourth proportional to 13,188.90, 19,783.55 and 4,304.19 is: 6,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.90 : 19,783.55 = 4,304.19 : x
  2. Step 2: Convert to fraction form
    13,188.90/19,783.55 = 4,304.19/x
  3. Step 3: Cross multiply
    13,188.90x = 19,783.55 × 4,304.19
  4. Step 4: Simplify right side
    13,188.90x = 85,152,158.07
  5. Step 5: Solve for x
    x = 85,152,158.07/13,188.90
  6. Step 6: Final answer
    x = 6,456.35

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Similar ratio
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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.