Home / 15,646.98-23,330.89-13,908.32

Finding the Fourth Proportional to 15,646.98, 23,330.89 and 13,908.32

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Solution

The fourth proportional to 15,646.98, 23,330.89 and 13,908.32 is: 20,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.98 : 23,330.89 = 13,908.32 : x
  2. Step 2: Convert to fraction form
    15,646.98/23,330.89 = 13,908.32/x
  3. Step 3: Cross multiply
    15,646.98x = 23,330.89 × 13,908.32
  4. Step 4: Simplify right side
    15,646.98x = 324,493,484.00
  5. Step 5: Solve for x
    x = 324,493,484.00/15,646.98
  6. Step 6: Final answer
    x = 20,738.41

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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.