Home / 21,479.37-32,211.18-7,435.77

Finding the Fourth Proportional to 21,479.37, 32,211.18 and 7,435.77

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Solution

The fourth proportional to 21,479.37, 32,211.18 and 7,435.77 is: 11,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479.37 : 32,211.18 = 7,435.77 : x
  2. Step 2: Convert to fraction form
    21,479.37/32,211.18 = 7,435.77/x
  3. Step 3: Cross multiply
    21,479.37x = 32,211.18 × 7,435.77
  4. Step 4: Simplify right side
    21,479.37x = 239,514,925.91
  5. Step 5: Solve for x
    x = 239,514,925.91/21,479.37
  6. Step 6: Final answer
    x = 11,150.93

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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.