Home / 18,957.41-26,161.49-10,459.90

Finding the Fourth Proportional to 18,957.41, 26,161.49 and 10,459.90

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Solution

The fourth proportional to 18,957.41, 26,161.49 and 10,459.90 is: 14,434.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957.41 : 26,161.49 = 10,459.90 : x
  2. Step 2: Convert to fraction form
    18,957.41/26,161.49 = 10,459.90/x
  3. Step 3: Cross multiply
    18,957.41x = 26,161.49 × 10,459.90
  4. Step 4: Simplify right side
    18,957.41x = 273,646,595.40
  5. Step 5: Solve for x
    x = 273,646,595.40/18,957.41
  6. Step 6: Final answer
    x = 14,434.81

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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.