Home / 9,403.28-14,103.48-2,478.32

Finding the Fourth Proportional to 9,403.28, 14,103.48 and 2,478.32

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Solution

The fourth proportional to 9,403.28, 14,103.48 and 2,478.32 is: 3,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.28 : 14,103.48 = 2,478.32 : x
  2. Step 2: Convert to fraction form
    9,403.28/14,103.48 = 2,478.32/x
  3. Step 3: Cross multiply
    9,403.28x = 14,103.48 × 2,478.32
  4. Step 4: Simplify right side
    9,403.28x = 34,952,936.55
  5. Step 5: Solve for x
    x = 34,952,936.55/9,403.28
  6. Step 6: Final answer
    x = 3,717.10

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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.