Home / 14,430.21-19,906.53-9,397.35

Finding the Fourth Proportional to 14,430.21, 19,906.53 and 9,397.35

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Solution

The fourth proportional to 14,430.21, 19,906.53 and 9,397.35 is: 12,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.21 : 19,906.53 = 9,397.35 : x
  2. Step 2: Convert to fraction form
    14,430.21/19,906.53 = 9,397.35/x
  3. Step 3: Cross multiply
    14,430.21x = 19,906.53 × 9,397.35
  4. Step 4: Simplify right side
    14,430.21x = 187,068,629.70
  5. Step 5: Solve for x
    x = 187,068,629.70/14,430.21
  6. Step 6: Final answer
    x = 12,963.68

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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.