Home / 19,307.08-26,634.84-13,347.04

Finding the Fourth Proportional to 19,307.08, 26,634.84 and 13,347.04

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Solution

The fourth proportional to 19,307.08, 26,634.84 and 13,347.04 is: 18,412.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.08 : 26,634.84 = 13,347.04 : x
  2. Step 2: Convert to fraction form
    19,307.08/26,634.84 = 13,347.04/x
  3. Step 3: Cross multiply
    19,307.08x = 26,634.84 × 13,347.04
  4. Step 4: Simplify right side
    19,307.08x = 355,496,274.87
  5. Step 5: Solve for x
    x = 355,496,274.87/19,307.08
  6. Step 6: Final answer
    x = 18,412.74

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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.