Home / 16,955.35-23,397.45-9,401.25

Finding the Fourth Proportional to 16,955.35, 23,397.45 and 9,401.25

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Solution

The fourth proportional to 16,955.35, 23,397.45 and 9,401.25 is: 12,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.35 : 23,397.45 = 9,401.25 : x
  2. Step 2: Convert to fraction form
    16,955.35/23,397.45 = 9,401.25/x
  3. Step 3: Cross multiply
    16,955.35x = 23,397.45 × 9,401.25
  4. Step 4: Simplify right side
    16,955.35x = 219,965,276.81
  5. Step 5: Solve for x
    x = 219,965,276.81/16,955.35
  6. Step 6: Final answer
    x = 12,973.21

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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.