Home / 14,708.52-20,314.28-11,391.45

Finding the Fourth Proportional to 14,708.52, 20,314.28 and 11,391.45

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Solution

The fourth proportional to 14,708.52, 20,314.28 and 11,391.45 is: 15,733.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.52 : 20,314.28 = 11,391.45 : x
  2. Step 2: Convert to fraction form
    14,708.52/20,314.28 = 11,391.45/x
  3. Step 3: Cross multiply
    14,708.52x = 20,314.28 × 11,391.45
  4. Step 4: Simplify right side
    14,708.52x = 231,409,104.91
  5. Step 5: Solve for x
    x = 231,409,104.91/14,708.52
  6. Step 6: Final answer
    x = 15,733.00

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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.