Home / 18,215.16-25,136.52-10,258.28

Finding the Fourth Proportional to 18,215.16, 25,136.52 and 10,258.28

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Solution

The fourth proportional to 18,215.16, 25,136.52 and 10,258.28 is: 14,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.16 : 25,136.52 = 10,258.28 : x
  2. Step 2: Convert to fraction form
    18,215.16/25,136.52 = 10,258.28/x
  3. Step 3: Cross multiply
    18,215.16x = 25,136.52 × 10,258.28
  4. Step 4: Simplify right side
    18,215.16x = 257,857,460.39
  5. Step 5: Solve for x
    x = 257,857,460.39/18,215.16
  6. Step 6: Final answer
    x = 14,156.20

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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.