Home / 12,926.78-19,392.14-6,598.20

Finding the Fourth Proportional to 12,926.78, 19,392.14 and 6,598.20

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Solution

The fourth proportional to 12,926.78, 19,392.14 and 6,598.20 is: 9,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.78 : 19,392.14 = 6,598.20 : x
  2. Step 2: Convert to fraction form
    12,926.78/19,392.14 = 6,598.20/x
  3. Step 3: Cross multiply
    12,926.78x = 19,392.14 × 6,598.20
  4. Step 4: Simplify right side
    12,926.78x = 127,953,185.16
  5. Step 5: Solve for x
    x = 127,953,185.16/12,926.78
  6. Step 6: Final answer
    x = 9,898.31

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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.