Home / 14,108.06-19,471.28-9,005.78

Finding the Fourth Proportional to 14,108.06, 19,471.28 and 9,005.78

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Solution

The fourth proportional to 14,108.06, 19,471.28 and 9,005.78 is: 12,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.06 : 19,471.28 = 9,005.78 : x
  2. Step 2: Convert to fraction form
    14,108.06/19,471.28 = 9,005.78/x
  3. Step 3: Cross multiply
    14,108.06x = 19,471.28 × 9,005.78
  4. Step 4: Simplify right side
    14,108.06x = 175,354,064.00
  5. Step 5: Solve for x
    x = 175,354,064.00/14,108.06
  6. Step 6: Final answer
    x = 12,429.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.