Home / 14,735.28-20,354.58-13,685.52

Finding the Fourth Proportional to 14,735.28, 20,354.58 and 13,685.52

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Solution

The fourth proportional to 14,735.28, 20,354.58 and 13,685.52 is: 18,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.28 : 20,354.58 = 13,685.52 : x
  2. Step 2: Convert to fraction form
    14,735.28/20,354.58 = 13,685.52/x
  3. Step 3: Cross multiply
    14,735.28x = 20,354.58 × 13,685.52
  4. Step 4: Simplify right side
    14,735.28x = 278,563,011.68
  5. Step 5: Solve for x
    x = 278,563,011.68/14,735.28
  6. Step 6: Final answer
    x = 18,904.49

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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.