Home / 19,085.52-26,325.90-13,788.12

Finding the Fourth Proportional to 19,085.52, 26,325.90 and 13,788.12

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Solution

The fourth proportional to 19,085.52, 26,325.90 and 13,788.12 is: 19,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.52 : 26,325.90 = 13,788.12 : x
  2. Step 2: Convert to fraction form
    19,085.52/26,325.90 = 13,788.12/x
  3. Step 3: Cross multiply
    19,085.52x = 26,325.90 × 13,788.12
  4. Step 4: Simplify right side
    19,085.52x = 362,984,668.31
  5. Step 5: Solve for x
    x = 362,984,668.31/19,085.52
  6. Step 6: Final answer
    x = 19,018.85

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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.