Home / 19,332.76-26,664.24-11,780.32

Finding the Fourth Proportional to 19,332.76, 26,664.24 and 11,780.32

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Solution

The fourth proportional to 19,332.76, 26,664.24 and 11,780.32 is: 16,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.76 : 26,664.24 = 11,780.32 : x
  2. Step 2: Convert to fraction form
    19,332.76/26,664.24 = 11,780.32/x
  3. Step 3: Cross multiply
    19,332.76x = 26,664.24 × 11,780.32
  4. Step 4: Simplify right side
    19,332.76x = 314,113,279.76
  5. Step 5: Solve for x
    x = 314,113,279.76/19,332.76
  6. Step 6: Final answer
    x = 16,247.72

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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.