Home / 13,242.54-18,274.47-7,274.10

Finding the Fourth Proportional to 13,242.54, 18,274.47 and 7,274.10

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Solution

The fourth proportional to 13,242.54, 18,274.47 and 7,274.10 is: 10,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.54 : 18,274.47 = 7,274.10 : x
  2. Step 2: Convert to fraction form
    13,242.54/18,274.47 = 7,274.10/x
  3. Step 3: Cross multiply
    13,242.54x = 18,274.47 × 7,274.10
  4. Step 4: Simplify right side
    13,242.54x = 132,930,322.23
  5. Step 5: Solve for x
    x = 132,930,322.23/13,242.54
  6. Step 6: Final answer
    x = 10,038.13

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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.