Home / 21,060.45-31,590.36-6,269.46

Finding the Fourth Proportional to 21,060.45, 31,590.36 and 6,269.46

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Solution

The fourth proportional to 21,060.45, 31,590.36 and 6,269.46 is: 9,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.45 : 31,590.36 = 6,269.46 : x
  2. Step 2: Convert to fraction form
    21,060.45/31,590.36 = 6,269.46/x
  3. Step 3: Cross multiply
    21,060.45x = 31,590.36 × 6,269.46
  4. Step 4: Simplify right side
    21,060.45x = 198,054,498.41
  5. Step 5: Solve for x
    x = 198,054,498.41/21,060.45
  6. Step 6: Final answer
    x = 9,404.10

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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.