Home / 12,473.77-18,710.58-3,113.74

Finding the Fourth Proportional to 12,473.77, 18,710.58 and 3,113.74

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Solution

The fourth proportional to 12,473.77, 18,710.58 and 3,113.74 is: 4,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.77 : 18,710.58 = 3,113.74 : x
  2. Step 2: Convert to fraction form
    12,473.77/18,710.58 = 3,113.74/x
  3. Step 3: Cross multiply
    12,473.77x = 18,710.58 × 3,113.74
  4. Step 4: Simplify right side
    12,473.77x = 58,259,881.37
  5. Step 5: Solve for x
    x = 58,259,881.37/12,473.77
  6. Step 6: Final answer
    x = 4,670.59

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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.