Home / 14,270.64-21,416.76-6,484.80

Finding the Fourth Proportional to 14,270.64, 21,416.76 and 6,484.80

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Solution

The fourth proportional to 14,270.64, 21,416.76 and 6,484.80 is: 9,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.64 : 21,416.76 = 6,484.80 : x
  2. Step 2: Convert to fraction form
    14,270.64/21,416.76 = 6,484.80/x
  3. Step 3: Cross multiply
    14,270.64x = 21,416.76 × 6,484.80
  4. Step 4: Simplify right side
    14,270.64x = 138,883,405.25
  5. Step 5: Solve for x
    x = 138,883,405.25/14,270.64
  6. Step 6: Final answer
    x = 9,732.11

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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.