Home / 18,398.32-25,389.48-10,014.76

Finding the Fourth Proportional to 18,398.32, 25,389.48 and 10,014.76

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Solution

The fourth proportional to 18,398.32, 25,389.48 and 10,014.76 is: 13,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.32 : 25,389.48 = 10,014.76 : x
  2. Step 2: Convert to fraction form
    18,398.32/25,389.48 = 10,014.76/x
  3. Step 3: Cross multiply
    18,398.32x = 25,389.48 × 10,014.76
  4. Step 4: Simplify right side
    18,398.32x = 254,269,548.72
  5. Step 5: Solve for x
    x = 254,269,548.72/18,398.32
  6. Step 6: Final answer
    x = 13,820.26

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Double scale
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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.