Home / 18,302.90-25,258.44-10,345.16

Finding the Fourth Proportional to 18,302.90, 25,258.44 and 10,345.16

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Solution

The fourth proportional to 18,302.90, 25,258.44 and 10,345.16 is: 14,276.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.90 : 25,258.44 = 10,345.16 : x
  2. Step 2: Convert to fraction form
    18,302.90/25,258.44 = 10,345.16/x
  3. Step 3: Cross multiply
    18,302.90x = 25,258.44 × 10,345.16
  4. Step 4: Simplify right side
    18,302.90x = 261,302,476.86
  5. Step 5: Solve for x
    x = 261,302,476.86/18,302.90
  6. Step 6: Final answer
    x = 14,276.56

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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.