Home / 14,049.10-19,379.64-9,011.53

Finding the Fourth Proportional to 14,049.10, 19,379.64 and 9,011.53

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Solution

The fourth proportional to 14,049.10, 19,379.64 and 9,011.53 is: 12,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.10 : 19,379.64 = 9,011.53 : x
  2. Step 2: Convert to fraction form
    14,049.10/19,379.64 = 9,011.53/x
  3. Step 3: Cross multiply
    14,049.10x = 19,379.64 × 9,011.53
  4. Step 4: Simplify right side
    14,049.10x = 174,640,207.25
  5. Step 5: Solve for x
    x = 174,640,207.25/14,049.10
  6. Step 6: Final answer
    x = 12,430.70

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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.