Home / 9,646.44-13,312.74-5,455.72

Finding the Fourth Proportional to 9,646.44, 13,312.74 and 5,455.72

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Solution

The fourth proportional to 9,646.44, 13,312.74 and 5,455.72 is: 7,529.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,646.44 : 13,312.74 = 5,455.72 : x
  2. Step 2: Convert to fraction form
    9,646.44/13,312.74 = 5,455.72/x
  3. Step 3: Cross multiply
    9,646.44x = 13,312.74 × 5,455.72
  4. Step 4: Simplify right side
    9,646.44x = 72,630,581.87
  5. Step 5: Solve for x
    x = 72,630,581.87/9,646.44
  6. Step 6: Final answer
    x = 7,529.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.