Home / 13,254.02-18,290.81-7,286.24

Finding the Fourth Proportional to 13,254.02, 18,290.81 and 7,286.24

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Solution

The fourth proportional to 13,254.02, 18,290.81 and 7,286.24 is: 10,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.02 : 18,290.81 = 7,286.24 : x
  2. Step 2: Convert to fraction form
    13,254.02/18,290.81 = 7,286.24/x
  3. Step 3: Cross multiply
    13,254.02x = 18,290.81 × 7,286.24
  4. Step 4: Simplify right side
    13,254.02x = 133,271,295.40
  5. Step 5: Solve for x
    x = 133,271,295.40/13,254.02
  6. Step 6: Final answer
    x = 10,055.16

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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.