Home / 13,038.26-19,561.02-4,279.34

Finding the Fourth Proportional to 13,038.26, 19,561.02 and 4,279.34

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Solution

The fourth proportional to 13,038.26, 19,561.02 and 4,279.34 is: 6,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.26 : 19,561.02 = 4,279.34 : x
  2. Step 2: Convert to fraction form
    13,038.26/19,561.02 = 4,279.34/x
  3. Step 3: Cross multiply
    13,038.26x = 19,561.02 × 4,279.34
  4. Step 4: Simplify right side
    13,038.26x = 83,708,255.33
  5. Step 5: Solve for x
    x = 83,708,255.33/13,038.26
  6. Step 6: Final answer
    x = 6,420.20

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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.