Home / 19,526.26-29,296.27-12,978.42

Finding the Fourth Proportional to 19,526.26, 29,296.27 and 12,978.42

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Solution

The fourth proportional to 19,526.26, 29,296.27 and 12,978.42 is: 19,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.26 : 29,296.27 = 12,978.42 : x
  2. Step 2: Convert to fraction form
    19,526.26/29,296.27 = 12,978.42/x
  3. Step 3: Cross multiply
    19,526.26x = 29,296.27 × 12,978.42
  4. Step 4: Simplify right side
    19,526.26x = 380,219,296.49
  5. Step 5: Solve for x
    x = 380,219,296.49/19,526.26
  6. Step 6: Final answer
    x = 19,472.20

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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.