Home / 21,064.24-29,070.64-11,632.72

Finding the Fourth Proportional to 21,064.24, 29,070.64 and 11,632.72

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Solution

The fourth proportional to 21,064.24, 29,070.64 and 11,632.72 is: 16,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064.24 : 29,070.64 = 11,632.72 : x
  2. Step 2: Convert to fraction form
    21,064.24/29,070.64 = 11,632.72/x
  3. Step 3: Cross multiply
    21,064.24x = 29,070.64 × 11,632.72
  4. Step 4: Simplify right side
    21,064.24x = 338,170,615.34
  5. Step 5: Solve for x
    x = 338,170,615.34/21,064.24
  6. Step 6: Final answer
    x = 16,054.25

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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.