Home / 14,720.58-20,300.42-11,358.06

Finding the Fourth Proportional to 14,720.58, 20,300.42 and 11,358.06

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Solution

The fourth proportional to 14,720.58, 20,300.42 and 11,358.06 is: 15,663.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.58 : 20,300.42 = 11,358.06 : x
  2. Step 2: Convert to fraction form
    14,720.58/20,300.42 = 11,358.06/x
  3. Step 3: Cross multiply
    14,720.58x = 20,300.42 × 11,358.06
  4. Step 4: Simplify right side
    14,720.58x = 230,573,388.39
  5. Step 5: Solve for x
    x = 230,573,388.39/14,720.58
  6. Step 6: Final answer
    x = 15,663.34

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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.