Home / 13,440.59-18,520.66-10,397.22

Finding the Fourth Proportional to 13,440.59, 18,520.66 and 10,397.22

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Solution

The fourth proportional to 13,440.59, 18,520.66 and 10,397.22 is: 14,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.59 : 18,520.66 = 10,397.22 : x
  2. Step 2: Convert to fraction form
    13,440.59/18,520.66 = 10,397.22/x
  3. Step 3: Cross multiply
    13,440.59x = 18,520.66 × 10,397.22
  4. Step 4: Simplify right side
    13,440.59x = 192,563,422.87
  5. Step 5: Solve for x
    x = 192,563,422.87/13,440.59
  6. Step 6: Final answer
    x = 14,327.01

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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.