Home / 13,560.48-20,242.51-11,723.40

Finding the Fourth Proportional to 13,560.48, 20,242.51 and 11,723.40

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Solution

The fourth proportional to 13,560.48, 20,242.51 and 11,723.40 is: 17,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.48 : 20,242.51 = 11,723.40 : x
  2. Step 2: Convert to fraction form
    13,560.48/20,242.51 = 11,723.40/x
  3. Step 3: Cross multiply
    13,560.48x = 20,242.51 × 11,723.40
  4. Step 4: Simplify right side
    13,560.48x = 237,311,041.73
  5. Step 5: Solve for x
    x = 237,311,041.73/13,560.48
  6. Step 6: Final answer
    x = 17,500.19

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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.