Home / 13,193.13-18,206.96-7,528.71

Finding the Fourth Proportional to 13,193.13, 18,206.96 and 7,528.71

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Solution

The fourth proportional to 13,193.13, 18,206.96 and 7,528.71 is: 10,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.13 : 18,206.96 = 7,528.71 : x
  2. Step 2: Convert to fraction form
    13,193.13/18,206.96 = 7,528.71/x
  3. Step 3: Cross multiply
    13,193.13x = 18,206.96 × 7,528.71
  4. Step 4: Simplify right side
    13,193.13x = 137,074,884.18
  5. Step 5: Solve for x
    x = 137,074,884.18/13,193.13
  6. Step 6: Final answer
    x = 10,389.87

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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.