Home / 9,645.23-13,312.15-5,666.56

Finding the Fourth Proportional to 9,645.23, 13,312.15 and 5,666.56

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Solution

The fourth proportional to 9,645.23, 13,312.15 and 5,666.56 is: 7,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,645.23 : 13,312.15 = 5,666.56 : x
  2. Step 2: Convert to fraction form
    9,645.23/13,312.15 = 5,666.56/x
  3. Step 3: Cross multiply
    9,645.23x = 13,312.15 × 5,666.56
  4. Step 4: Simplify right side
    9,645.23x = 75,434,049.26
  5. Step 5: Solve for x
    x = 75,434,049.26/9,645.23
  6. Step 6: Final answer
    x = 7,820.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.