Home / 20,381.36-30,547.26-14,820.84

Finding the Fourth Proportional to 20,381.36, 30,547.26 and 14,820.84

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Solution

The fourth proportional to 20,381.36, 30,547.26 and 14,820.84 is: 22,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,381.36 : 30,547.26 = 14,820.84 : x
  2. Step 2: Convert to fraction form
    20,381.36/30,547.26 = 14,820.84/x
  3. Step 3: Cross multiply
    20,381.36x = 30,547.26 × 14,820.84
  4. Step 4: Simplify right side
    20,381.36x = 452,736,052.90
  5. Step 5: Solve for x
    x = 452,736,052.90/20,381.36
  6. Step 6: Final answer
    x = 22,213.25

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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.