Home / 13,271.85-19,861.61-10,903.41

Finding the Fourth Proportional to 13,271.85, 19,861.61 and 10,903.41

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Solution

The fourth proportional to 13,271.85, 19,861.61 and 10,903.41 is: 16,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.85 : 19,861.61 = 10,903.41 : x
  2. Step 2: Convert to fraction form
    13,271.85/19,861.61 = 10,903.41/x
  3. Step 3: Cross multiply
    13,271.85x = 19,861.61 × 10,903.41
  4. Step 4: Simplify right side
    13,271.85x = 216,559,222.57
  5. Step 5: Solve for x
    x = 216,559,222.57/13,271.85
  6. Step 6: Final answer
    x = 16,317.18

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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.