Home / 18,829.48-25,986.90-10,446.52

Finding the Fourth Proportional to 18,829.48, 25,986.90 and 10,446.52

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Solution

The fourth proportional to 18,829.48, 25,986.90 and 10,446.52 is: 14,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.48 : 25,986.90 = 10,446.52 : x
  2. Step 2: Convert to fraction form
    18,829.48/25,986.90 = 10,446.52/x
  3. Step 3: Cross multiply
    18,829.48x = 25,986.90 × 10,446.52
  4. Step 4: Simplify right side
    18,829.48x = 271,472,670.59
  5. Step 5: Solve for x
    x = 271,472,670.59/18,829.48
  6. Step 6: Final answer
    x = 14,417.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.