Home / 18,948.89-26,161.63-16,955.98

Finding the Fourth Proportional to 18,948.89, 26,161.63 and 16,955.98

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Solution

The fourth proportional to 18,948.89, 26,161.63 and 16,955.98 is: 23,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.89 : 26,161.63 = 16,955.98 : x
  2. Step 2: Convert to fraction form
    18,948.89/26,161.63 = 16,955.98/x
  3. Step 3: Cross multiply
    18,948.89x = 26,161.63 × 16,955.98
  4. Step 4: Simplify right side
    18,948.89x = 443,596,209.79
  5. Step 5: Solve for x
    x = 443,596,209.79/18,948.89
  6. Step 6: Final answer
    x = 23,410.15

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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.