Home / 46,339.80-69,509.13-11,279.76

Finding the Fourth Proportional to 46,339.80, 69,509.13 and 11,279.76

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Solution

The fourth proportional to 46,339.80, 69,509.13 and 11,279.76 is: 16,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,339.80 : 69,509.13 = 11,279.76 : x
  2. Step 2: Convert to fraction form
    46,339.80/69,509.13 = 11,279.76/x
  3. Step 3: Cross multiply
    46,339.80x = 69,509.13 × 11,279.76
  4. Step 4: Simplify right side
    46,339.80x = 784,046,304.21
  5. Step 5: Solve for x
    x = 784,046,304.21/46,339.80
  6. Step 6: Final answer
    x = 16,919.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.