Home / 18,989.22-26,207.70-14,265.30

Finding the Fourth Proportional to 18,989.22, 26,207.70 and 14,265.30

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Solution

The fourth proportional to 18,989.22, 26,207.70 and 14,265.30 is: 19,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989.22 : 26,207.70 = 14,265.30 : x
  2. Step 2: Convert to fraction form
    18,989.22/26,207.70 = 14,265.30/x
  3. Step 3: Cross multiply
    18,989.22x = 26,207.70 × 14,265.30
  4. Step 4: Simplify right side
    18,989.22x = 373,860,702.81
  5. Step 5: Solve for x
    x = 373,860,702.81/18,989.22
  6. Step 6: Final answer
    x = 19,688.05

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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.