Home / 12,926.19-19,394.57-4,607.79

Finding the Fourth Proportional to 12,926.19, 19,394.57 and 4,607.79

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Solution

The fourth proportional to 12,926.19, 19,394.57 and 4,607.79 is: 6,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.19 : 19,394.57 = 4,607.79 : x
  2. Step 2: Convert to fraction form
    12,926.19/19,394.57 = 4,607.79/x
  3. Step 3: Cross multiply
    12,926.19x = 19,394.57 × 4,607.79
  4. Step 4: Simplify right side
    12,926.19x = 89,366,082.66
  5. Step 5: Solve for x
    x = 89,366,082.66/12,926.19
  6. Step 6: Final answer
    x = 6,913.57

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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.