Home / 16,376.81-22,603.64-11,279.07

Finding the Fourth Proportional to 16,376.81, 22,603.64 and 11,279.07

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Solution

The fourth proportional to 16,376.81, 22,603.64 and 11,279.07 is: 15,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,376.81 : 22,603.64 = 11,279.07 : x
  2. Step 2: Convert to fraction form
    16,376.81/22,603.64 = 11,279.07/x
  3. Step 3: Cross multiply
    16,376.81x = 22,603.64 × 11,279.07
  4. Step 4: Simplify right side
    16,376.81x = 254,947,981.42
  5. Step 5: Solve for x
    x = 254,947,981.42/16,376.81
  6. Step 6: Final answer
    x = 15,567.63

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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.