Home / 20,317.37-30,476.06-13,341.45

Finding the Fourth Proportional to 20,317.37, 30,476.06 and 13,341.45

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Solution

The fourth proportional to 20,317.37, 30,476.06 and 13,341.45 is: 20,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317.37 : 30,476.06 = 13,341.45 : x
  2. Step 2: Convert to fraction form
    20,317.37/30,476.06 = 13,341.45/x
  3. Step 3: Cross multiply
    20,317.37x = 30,476.06 × 13,341.45
  4. Step 4: Simplify right side
    20,317.37x = 406,594,864.04
  5. Step 5: Solve for x
    x = 406,594,864.04/20,317.37
  6. Step 6: Final answer
    x = 20,012.18

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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.