Home / 9,518.55-14,274.68-3,278.40

Finding the Fourth Proportional to 9,518.55, 14,274.68 and 3,278.40

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Solution

The fourth proportional to 9,518.55, 14,274.68 and 3,278.40 is: 4,916.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.55 : 14,274.68 = 3,278.40 : x
  2. Step 2: Convert to fraction form
    9,518.55/14,274.68 = 3,278.40/x
  3. Step 3: Cross multiply
    9,518.55x = 14,274.68 × 3,278.40
  4. Step 4: Simplify right side
    9,518.55x = 46,798,094.52
  5. Step 5: Solve for x
    x = 46,798,094.52/9,518.55
  6. Step 6: Final answer
    x = 4,916.52

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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.