Home / 13,370.50-18,461.12-10,189.33

Finding the Fourth Proportional to 13,370.50, 18,461.12 and 10,189.33

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Solution

The fourth proportional to 13,370.50, 18,461.12 and 10,189.33 is: 14,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.50 : 18,461.12 = 10,189.33 : x
  2. Step 2: Convert to fraction form
    13,370.50/18,461.12 = 10,189.33/x
  3. Step 3: Cross multiply
    13,370.50x = 18,461.12 × 10,189.33
  4. Step 4: Simplify right side
    13,370.50x = 188,106,346.75
  5. Step 5: Solve for x
    x = 188,106,346.75/13,370.50
  6. Step 6: Final answer
    x = 14,068.76

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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.