Home / 14,007.40-21,018.48-6,217

Finding the Fourth Proportional to 14,007.40, 21,018.48 and 6,217

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Solution

The fourth proportional to 14,007.40, 21,018.48 and 6,217 is: 9,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.40 : 21,018.48 = 6,217 : x
  2. Step 2: Convert to fraction form
    14,007.40/21,018.48 = 6,217/x
  3. Step 3: Cross multiply
    14,007.40x = 21,018.48 × 6,217
  4. Step 4: Simplify right side
    14,007.40x = 130,671,890.16
  5. Step 5: Solve for x
    x = 130,671,890.16/14,007.40
  6. Step 6: Final answer
    x = 9,328.78

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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.