Home / 12,930.48-19,366.56-10,597.68

Finding the Fourth Proportional to 12,930.48, 19,366.56 and 10,597.68

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Solution

The fourth proportional to 12,930.48, 19,366.56 and 10,597.68 is: 15,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,930.48 : 19,366.56 = 10,597.68 : x
  2. Step 2: Convert to fraction form
    12,930.48/19,366.56 = 10,597.68/x
  3. Step 3: Cross multiply
    12,930.48x = 19,366.56 × 10,597.68
  4. Step 4: Simplify right side
    12,930.48x = 205,240,605.58
  5. Step 5: Solve for x
    x = 205,240,605.58/12,930.48
  6. Step 6: Final answer
    x = 15,872.62

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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.