Home / 30,374.21-45,561.72-10,653.34

Finding the Fourth Proportional to 30,374.21, 45,561.72 and 10,653.34

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Solution

The fourth proportional to 30,374.21, 45,561.72 and 10,653.34 is: 15,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.21 : 45,561.72 = 10,653.34 : x
  2. Step 2: Convert to fraction form
    30,374.21/45,561.72 = 10,653.34/x
  3. Step 3: Cross multiply
    30,374.21x = 45,561.72 × 10,653.34
  4. Step 4: Simplify right side
    30,374.21x = 485,384,494.14
  5. Step 5: Solve for x
    x = 485,384,494.14/30,374.21
  6. Step 6: Final answer
    x = 15,980.15

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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.