Home / 19,311.31-26,650.08-10,813.36

Finding the Fourth Proportional to 19,311.31, 26,650.08 and 10,813.36

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Solution

The fourth proportional to 19,311.31, 26,650.08 and 10,813.36 is: 14,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.31 : 26,650.08 = 10,813.36 : x
  2. Step 2: Convert to fraction form
    19,311.31/26,650.08 = 10,813.36/x
  3. Step 3: Cross multiply
    19,311.31x = 26,650.08 × 10,813.36
  4. Step 4: Simplify right side
    19,311.31x = 288,176,909.07
  5. Step 5: Solve for x
    x = 288,176,909.07/19,311.31
  6. Step 6: Final answer
    x = 14,922.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.