Home / 12,756.96-19,140.57-6,182.46

Finding the Fourth Proportional to 12,756.96, 19,140.57 and 6,182.46

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Solution

The fourth proportional to 12,756.96, 19,140.57 and 6,182.46 is: 9,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756.96 : 19,140.57 = 6,182.46 : x
  2. Step 2: Convert to fraction form
    12,756.96/19,140.57 = 6,182.46/x
  3. Step 3: Cross multiply
    12,756.96x = 19,140.57 × 6,182.46
  4. Step 4: Simplify right side
    12,756.96x = 118,335,808.40
  5. Step 5: Solve for x
    x = 118,335,808.40/12,756.96
  6. Step 6: Final answer
    x = 9,276.18

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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.