Home / 14,341.61-21,511.65-4,479.76

Finding the Fourth Proportional to 14,341.61, 21,511.65 and 4,479.76

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Solution

The fourth proportional to 14,341.61, 21,511.65 and 4,479.76 is: 6,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.61 : 21,511.65 = 4,479.76 : x
  2. Step 2: Convert to fraction form
    14,341.61/21,511.65 = 4,479.76/x
  3. Step 3: Cross multiply
    14,341.61x = 21,511.65 × 4,479.76
  4. Step 4: Simplify right side
    14,341.61x = 96,367,029.20
  5. Step 5: Solve for x
    x = 96,367,029.20/14,341.61
  6. Step 6: Final answer
    x = 6,719.40

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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.