Home / 19,777.94-29,627.68-10,403.80

Finding the Fourth Proportional to 19,777.94, 29,627.68 and 10,403.80

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Solution

The fourth proportional to 19,777.94, 29,627.68 and 10,403.80 is: 15,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.94 : 29,627.68 = 10,403.80 : x
  2. Step 2: Convert to fraction form
    19,777.94/29,627.68 = 10,403.80/x
  3. Step 3: Cross multiply
    19,777.94x = 29,627.68 × 10,403.80
  4. Step 4: Simplify right side
    19,777.94x = 308,240,457.18
  5. Step 5: Solve for x
    x = 308,240,457.18/19,777.94
  6. Step 6: Final answer
    x = 15,585.06

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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.