Home / 13,887.63-20,833.61-4,525.47

Finding the Fourth Proportional to 13,887.63, 20,833.61 and 4,525.47

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Solution

The fourth proportional to 13,887.63, 20,833.61 and 4,525.47 is: 6,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.63 : 20,833.61 = 4,525.47 : x
  2. Step 2: Convert to fraction form
    13,887.63/20,833.61 = 4,525.47/x
  3. Step 3: Cross multiply
    13,887.63x = 20,833.61 × 4,525.47
  4. Step 4: Simplify right side
    13,887.63x = 94,281,877.05
  5. Step 5: Solve for x
    x = 94,281,877.05/13,887.63
  6. Step 6: Final answer
    x = 6,788.91

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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.