Home / 20,347.13-30,501.45-15,341.73

Finding the Fourth Proportional to 20,347.13, 30,501.45 and 15,341.73

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Solution

The fourth proportional to 20,347.13, 30,501.45 and 15,341.73 is: 22,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347.13 : 30,501.45 = 15,341.73 : x
  2. Step 2: Convert to fraction form
    20,347.13/30,501.45 = 15,341.73/x
  3. Step 3: Cross multiply
    20,347.13x = 30,501.45 × 15,341.73
  4. Step 4: Simplify right side
    20,347.13x = 467,945,010.51
  5. Step 5: Solve for x
    x = 467,945,010.51/20,347.13
  6. Step 6: Final answer
    x = 22,998.08

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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.