Home / 19,503.46-26,918-14,500.90

Finding the Fourth Proportional to 19,503.46, 26,918 and 14,500.90

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Solution

The fourth proportional to 19,503.46, 26,918 and 14,500.90 is: 20,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.46 : 26,918 = 14,500.90 : x
  2. Step 2: Convert to fraction form
    19,503.46/26,918 = 14,500.90/x
  3. Step 3: Cross multiply
    19,503.46x = 26,918 × 14,500.90
  4. Step 4: Simplify right side
    19,503.46x = 390,335,226.20
  5. Step 5: Solve for x
    x = 390,335,226.20/19,503.46
  6. Step 6: Final answer
    x = 20,013.64

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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.