Home / 18,887.53-26,064.26-10,389.64

Finding the Fourth Proportional to 18,887.53, 26,064.26 and 10,389.64

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Solution

The fourth proportional to 18,887.53, 26,064.26 and 10,389.64 is: 14,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.53 : 26,064.26 = 10,389.64 : x
  2. Step 2: Convert to fraction form
    18,887.53/26,064.26 = 10,389.64/x
  3. Step 3: Cross multiply
    18,887.53x = 26,064.26 × 10,389.64
  4. Step 4: Simplify right side
    18,887.53x = 270,798,297.86
  5. Step 5: Solve for x
    x = 270,798,297.86/18,887.53
  6. Step 6: Final answer
    x = 14,337.41

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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.