Home / 14,345.36-21,373.85-13,539.62

Finding the Fourth Proportional to 14,345.36, 21,373.85 and 13,539.62

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Solution

The fourth proportional to 14,345.36, 21,373.85 and 13,539.62 is: 20,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.36 : 21,373.85 = 13,539.62 : x
  2. Step 2: Convert to fraction form
    14,345.36/21,373.85 = 13,539.62/x
  3. Step 3: Cross multiply
    14,345.36x = 21,373.85 × 13,539.62
  4. Step 4: Simplify right side
    14,345.36x = 289,393,733.92
  5. Step 5: Solve for x
    x = 289,393,733.92/14,345.36
  6. Step 6: Final answer
    x = 20,173.34

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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.