Home / 46,486.76-69,731.45-11,426.31

Finding the Fourth Proportional to 46,486.76, 69,731.45 and 11,426.31

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Solution

The fourth proportional to 46,486.76, 69,731.45 and 11,426.31 is: 17,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,486.76 : 69,731.45 = 11,426.31 : x
  2. Step 2: Convert to fraction form
    46,486.76/69,731.45 = 11,426.31/x
  3. Step 3: Cross multiply
    46,486.76x = 69,731.45 × 11,426.31
  4. Step 4: Simplify right side
    46,486.76x = 796,773,367.34
  5. Step 5: Solve for x
    x = 796,773,367.34/46,486.76
  6. Step 6: Final answer
    x = 17,139.79

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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.