Home / 18,258.34-25,197.68-10,300.39

Finding the Fourth Proportional to 18,258.34, 25,197.68 and 10,300.39

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Solution

The fourth proportional to 18,258.34, 25,197.68 and 10,300.39 is: 14,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.34 : 25,197.68 = 10,300.39 : x
  2. Step 2: Convert to fraction form
    18,258.34/25,197.68 = 10,300.39/x
  3. Step 3: Cross multiply
    18,258.34x = 25,197.68 × 10,300.39
  4. Step 4: Simplify right side
    18,258.34x = 259,545,931.10
  5. Step 5: Solve for x
    x = 259,545,931.10/18,258.34
  6. Step 6: Final answer
    x = 14,215.20

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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.