Home / 30,308.60-45,462.90-9,248.75

Finding the Fourth Proportional to 30,308.60, 45,462.90 and 9,248.75

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Solution

The fourth proportional to 30,308.60, 45,462.90 and 9,248.75 is: 13,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,308.60 : 45,462.90 = 9,248.75 : x
  2. Step 2: Convert to fraction form
    30,308.60/45,462.90 = 9,248.75/x
  3. Step 3: Cross multiply
    30,308.60x = 45,462.90 × 9,248.75
  4. Step 4: Simplify right side
    30,308.60x = 420,474,939.55
  5. Step 5: Solve for x
    x = 420,474,939.55/30,308.60
  6. Step 6: Final answer
    x = 13,873.12

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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.