Home / 10,445.40-15,653.43-5,767.56

Finding the Fourth Proportional to 10,445.40, 15,653.43 and 5,767.56

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Solution

The fourth proportional to 10,445.40, 15,653.43 and 5,767.56 is: 8,643.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.40 : 15,653.43 = 5,767.56 : x
  2. Step 2: Convert to fraction form
    10,445.40/15,653.43 = 5,767.56/x
  3. Step 3: Cross multiply
    10,445.40x = 15,653.43 × 5,767.56
  4. Step 4: Simplify right side
    10,445.40x = 90,282,096.73
  5. Step 5: Solve for x
    x = 90,282,096.73/10,445.40
  6. Step 6: Final answer
    x = 8,643.24

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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.