Home / 13,479.10-20,211.45-4,714.30

Finding the Fourth Proportional to 13,479.10, 20,211.45 and 4,714.30

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Solution

The fourth proportional to 13,479.10, 20,211.45 and 4,714.30 is: 7,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479.10 : 20,211.45 = 4,714.30 : x
  2. Step 2: Convert to fraction form
    13,479.10/20,211.45 = 4,714.30/x
  3. Step 3: Cross multiply
    13,479.10x = 20,211.45 × 4,714.30
  4. Step 4: Simplify right side
    13,479.10x = 95,282,838.74
  5. Step 5: Solve for x
    x = 95,282,838.74/13,479.10
  6. Step 6: Final answer
    x = 7,068.93

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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.