Home / 20,453.56-30,703.12-10,590.19

Finding the Fourth Proportional to 20,453.56, 30,703.12 and 10,590.19

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Solution

The fourth proportional to 20,453.56, 30,703.12 and 10,590.19 is: 15,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453.56 : 30,703.12 = 10,590.19 : x
  2. Step 2: Convert to fraction form
    20,453.56/30,703.12 = 10,590.19/x
  3. Step 3: Cross multiply
    20,453.56x = 30,703.12 × 10,590.19
  4. Step 4: Simplify right side
    20,453.56x = 325,151,874.39
  5. Step 5: Solve for x
    x = 325,151,874.39/20,453.56
  6. Step 6: Final answer
    x = 15,897.08

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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.