Home / 21,656.33-32,453.53-9,780.62

Finding the Fourth Proportional to 21,656.33, 32,453.53 and 9,780.62

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Solution

The fourth proportional to 21,656.33, 32,453.53 and 9,780.62 is: 14,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,656.33 : 32,453.53 = 9,780.62 : x
  2. Step 2: Convert to fraction form
    21,656.33/32,453.53 = 9,780.62/x
  3. Step 3: Cross multiply
    21,656.33x = 32,453.53 × 9,780.62
  4. Step 4: Simplify right side
    21,656.33x = 317,415,457.87
  5. Step 5: Solve for x
    x = 317,415,457.87/21,656.33
  6. Step 6: Final answer
    x = 14,656.94

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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.