Home / 13,911.37-20,862.65-4,549.23

Finding the Fourth Proportional to 13,911.37, 20,862.65 and 4,549.23

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Solution

The fourth proportional to 13,911.37, 20,862.65 and 4,549.23 is: 6,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.37 : 20,862.65 = 4,549.23 : x
  2. Step 2: Convert to fraction form
    13,911.37/20,862.65 = 4,549.23/x
  3. Step 3: Cross multiply
    13,911.37x = 20,862.65 × 4,549.23
  4. Step 4: Simplify right side
    13,911.37x = 94,908,993.26
  5. Step 5: Solve for x
    x = 94,908,993.26/13,911.37
  6. Step 6: Final answer
    x = 6,822.40

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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.