Home / 14,132.63-21,091.60-13,560.45

Finding the Fourth Proportional to 14,132.63, 21,091.60 and 13,560.45

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Solution

The fourth proportional to 14,132.63, 21,091.60 and 13,560.45 is: 20,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.63 : 21,091.60 = 13,560.45 : x
  2. Step 2: Convert to fraction form
    14,132.63/21,091.60 = 13,560.45/x
  3. Step 3: Cross multiply
    14,132.63x = 21,091.60 × 13,560.45
  4. Step 4: Simplify right side
    14,132.63x = 286,011,481.76
  5. Step 5: Solve for x
    x = 286,011,481.76/14,132.63
  6. Step 6: Final answer
    x = 20,237.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.