Home / 30,148.60-45,209.94-9,373.72

Finding the Fourth Proportional to 30,148.60, 45,209.94 and 9,373.72

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Solution

The fourth proportional to 30,148.60, 45,209.94 and 9,373.72 is: 14,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.60 : 45,209.94 = 9,373.72 : x
  2. Step 2: Convert to fraction form
    30,148.60/45,209.94 = 9,373.72/x
  3. Step 3: Cross multiply
    30,148.60x = 45,209.94 × 9,373.72
  4. Step 4: Simplify right side
    30,148.60x = 423,785,318.78
  5. Step 5: Solve for x
    x = 423,785,318.78/30,148.60
  6. Step 6: Final answer
    x = 14,056.55

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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.