Home / 19,319.76-26,651.52-11,356.92

Finding the Fourth Proportional to 19,319.76, 26,651.52 and 11,356.92

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Solution

The fourth proportional to 19,319.76, 26,651.52 and 11,356.92 is: 15,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.76 : 26,651.52 = 11,356.92 : x
  2. Step 2: Convert to fraction form
    19,319.76/26,651.52 = 11,356.92/x
  3. Step 3: Cross multiply
    19,319.76x = 26,651.52 × 11,356.92
  4. Step 4: Simplify right side
    19,319.76x = 302,679,180.52
  5. Step 5: Solve for x
    x = 302,679,180.52/19,319.76
  6. Step 6: Final answer
    x = 15,666.82

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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.