Home / 9,642.36-14,465.28-3,402.56

Finding the Fourth Proportional to 9,642.36, 14,465.28 and 3,402.56

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Solution

The fourth proportional to 9,642.36, 14,465.28 and 3,402.56 is: 5,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642.36 : 14,465.28 = 3,402.56 : x
  2. Step 2: Convert to fraction form
    9,642.36/14,465.28 = 3,402.56/x
  3. Step 3: Cross multiply
    9,642.36x = 14,465.28 × 3,402.56
  4. Step 4: Simplify right side
    9,642.36x = 49,218,983.12
  5. Step 5: Solve for x
    x = 49,218,983.12/9,642.36
  6. Step 6: Final answer
    x = 5,104.45

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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.