Home / 14,207.07-19,603.18-8,237.91

Finding the Fourth Proportional to 14,207.07, 19,603.18 and 8,237.91

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Solution

The fourth proportional to 14,207.07, 19,603.18 and 8,237.91 is: 11,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.07 : 19,603.18 = 8,237.91 : x
  2. Step 2: Convert to fraction form
    14,207.07/19,603.18 = 8,237.91/x
  3. Step 3: Cross multiply
    14,207.07x = 19,603.18 × 8,237.91
  4. Step 4: Simplify right side
    14,207.07x = 161,489,232.55
  5. Step 5: Solve for x
    x = 161,489,232.55/14,207.07
  6. Step 6: Final answer
    x = 11,366.82

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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.