Home / 13,559.13-20,340.99-4,673.57

Finding the Fourth Proportional to 13,559.13, 20,340.99 and 4,673.57

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Solution

The fourth proportional to 13,559.13, 20,340.99 and 4,673.57 is: 7,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.13 : 20,340.99 = 4,673.57 : x
  2. Step 2: Convert to fraction form
    13,559.13/20,340.99 = 4,673.57/x
  3. Step 3: Cross multiply
    13,559.13x = 20,340.99 × 4,673.57
  4. Step 4: Simplify right side
    13,559.13x = 95,064,938.93
  5. Step 5: Solve for x
    x = 95,064,938.93/13,559.13
  6. Step 6: Final answer
    x = 7,011.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.