Home / 15,629.93-21,570.80-10,604.69

Finding the Fourth Proportional to 15,629.93, 21,570.80 and 10,604.69

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Solution

The fourth proportional to 15,629.93, 21,570.80 and 10,604.69 is: 14,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.93 : 21,570.80 = 10,604.69 : x
  2. Step 2: Convert to fraction form
    15,629.93/21,570.80 = 10,604.69/x
  3. Step 3: Cross multiply
    15,629.93x = 21,570.80 × 10,604.69
  4. Step 4: Simplify right side
    15,629.93x = 228,751,486.17
  5. Step 5: Solve for x
    x = 228,751,486.17/15,629.93
  6. Step 6: Final answer
    x = 14,635.48

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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.