Home / 19,288.08-26,590.14-13,605.12

Finding the Fourth Proportional to 19,288.08, 26,590.14 and 13,605.12

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Solution

The fourth proportional to 19,288.08, 26,590.14 and 13,605.12 is: 18,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.08 : 26,590.14 = 13,605.12 : x
  2. Step 2: Convert to fraction form
    19,288.08/26,590.14 = 13,605.12/x
  3. Step 3: Cross multiply
    19,288.08x = 26,590.14 × 13,605.12
  4. Step 4: Simplify right side
    19,288.08x = 361,762,045.52
  5. Step 5: Solve for x
    x = 361,762,045.52/19,288.08
  6. Step 6: Final answer
    x = 18,755.73

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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.