Home / 13,645.64-18,840.12-10,301.96

Finding the Fourth Proportional to 13,645.64, 18,840.12 and 10,301.96

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Solution

The fourth proportional to 13,645.64, 18,840.12 and 10,301.96 is: 14,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645.64 : 18,840.12 = 10,301.96 : x
  2. Step 2: Convert to fraction form
    13,645.64/18,840.12 = 10,301.96/x
  3. Step 3: Cross multiply
    13,645.64x = 18,840.12 × 10,301.96
  4. Step 4: Simplify right side
    13,645.64x = 194,090,162.64
  5. Step 5: Solve for x
    x = 194,090,162.64/13,645.64
  6. Step 6: Final answer
    x = 14,223.60

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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.