Home / 46,439.37-69,659.05-11,378.72

Finding the Fourth Proportional to 46,439.37, 69,659.05 and 11,378.72

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Solution

The fourth proportional to 46,439.37, 69,659.05 and 11,378.72 is: 17,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,439.37 : 69,659.05 = 11,378.72 : x
  2. Step 2: Convert to fraction form
    46,439.37/69,659.05 = 11,378.72/x
  3. Step 3: Cross multiply
    46,439.37x = 69,659.05 × 11,378.72
  4. Step 4: Simplify right side
    46,439.37x = 792,630,971.12
  5. Step 5: Solve for x
    x = 792,630,971.12/46,439.37
  6. Step 6: Final answer
    x = 17,068.08

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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.