Home / 19,628.79-29,465.04-9,765.42

Finding the Fourth Proportional to 19,628.79, 29,465.04 and 9,765.42

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Solution

The fourth proportional to 19,628.79, 29,465.04 and 9,765.42 is: 14,659.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.79 : 29,465.04 = 9,765.42 : x
  2. Step 2: Convert to fraction form
    19,628.79/29,465.04 = 9,765.42/x
  3. Step 3: Cross multiply
    19,628.79x = 29,465.04 × 9,765.42
  4. Step 4: Simplify right side
    19,628.79x = 287,738,490.92
  5. Step 5: Solve for x
    x = 287,738,490.92/19,628.79
  6. Step 6: Final answer
    x = 14,659.00

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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.