Home / 9,417.12-14,128.32-3,177.60

Finding the Fourth Proportional to 9,417.12, 14,128.32 and 3,177.60

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Solution

The fourth proportional to 9,417.12, 14,128.32 and 3,177.60 is: 4,767.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.12 : 14,128.32 = 3,177.60 : x
  2. Step 2: Convert to fraction form
    9,417.12/14,128.32 = 3,177.60/x
  3. Step 3: Cross multiply
    9,417.12x = 14,128.32 × 3,177.60
  4. Step 4: Simplify right side
    9,417.12x = 44,894,149.63
  5. Step 5: Solve for x
    x = 44,894,149.63/9,417.12
  6. Step 6: Final answer
    x = 4,767.29

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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.