Home / 19,402.09-29,108.50-7,723.51

Finding the Fourth Proportional to 19,402.09, 29,108.50 and 7,723.51

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Solution

The fourth proportional to 19,402.09, 29,108.50 and 7,723.51 is: 11,587.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.09 : 29,108.50 = 7,723.51 : x
  2. Step 2: Convert to fraction form
    19,402.09/29,108.50 = 7,723.51/x
  3. Step 3: Cross multiply
    19,402.09x = 29,108.50 × 7,723.51
  4. Step 4: Simplify right side
    19,402.09x = 224,819,790.84
  5. Step 5: Solve for x
    x = 224,819,790.84/19,402.09
  6. Step 6: Final answer
    x = 11,587.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.