Home / 13,480.65-18,598.19-8,173.53

Finding the Fourth Proportional to 13,480.65, 18,598.19 and 8,173.53

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Solution

The fourth proportional to 13,480.65, 18,598.19 and 8,173.53 is: 11,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.65 : 18,598.19 = 8,173.53 : x
  2. Step 2: Convert to fraction form
    13,480.65/18,598.19 = 8,173.53/x
  3. Step 3: Cross multiply
    13,480.65x = 18,598.19 × 8,173.53
  4. Step 4: Simplify right side
    13,480.65x = 152,012,823.04
  5. Step 5: Solve for x
    x = 152,012,823.04/13,480.65
  6. Step 6: Final answer
    x = 11,276.37

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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.