Home / 30,274.92-45,420.06-9,498.60

Finding the Fourth Proportional to 30,274.92, 45,420.06 and 9,498.60

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Solution

The fourth proportional to 30,274.92, 45,420.06 and 9,498.60 is: 14,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,274.92 : 45,420.06 = 9,498.60 : x
  2. Step 2: Convert to fraction form
    30,274.92/45,420.06 = 9,498.60/x
  3. Step 3: Cross multiply
    30,274.92x = 45,420.06 × 9,498.60
  4. Step 4: Simplify right side
    30,274.92x = 431,426,981.92
  5. Step 5: Solve for x
    x = 431,426,981.92/30,274.92
  6. Step 6: Final answer
    x = 14,250.31

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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.