Home / 13,038.80-19,559.70-4,722.72

Finding the Fourth Proportional to 13,038.80, 19,559.70 and 4,722.72

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Solution

The fourth proportional to 13,038.80, 19,559.70 and 4,722.72 is: 7,084.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.80 : 19,559.70 = 4,722.72 : x
  2. Step 2: Convert to fraction form
    13,038.80/19,559.70 = 4,722.72/x
  3. Step 3: Cross multiply
    13,038.80x = 19,559.70 × 4,722.72
  4. Step 4: Simplify right side
    13,038.80x = 92,374,986.38
  5. Step 5: Solve for x
    x = 92,374,986.38/13,038.80
  6. Step 6: Final answer
    x = 7,084.63

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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.