Home / 19,783.62-29,687.37-10,430.55

Finding the Fourth Proportional to 19,783.62, 29,687.37 and 10,430.55

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Solution

The fourth proportional to 19,783.62, 29,687.37 and 10,430.55 is: 15,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.62 : 29,687.37 = 10,430.55 : x
  2. Step 2: Convert to fraction form
    19,783.62/29,687.37 = 10,430.55/x
  3. Step 3: Cross multiply
    19,783.62x = 29,687.37 × 10,430.55
  4. Step 4: Simplify right side
    19,783.62x = 309,655,597.15
  5. Step 5: Solve for x
    x = 309,655,597.15/19,783.62
  6. Step 6: Final answer
    x = 15,652.12

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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.