Home / 14,154.15-21,234.30-4,294.20

Finding the Fourth Proportional to 14,154.15, 21,234.30 and 4,294.20

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Solution

The fourth proportional to 14,154.15, 21,234.30 and 4,294.20 is: 6,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.15 : 21,234.30 = 4,294.20 : x
  2. Step 2: Convert to fraction form
    14,154.15/21,234.30 = 4,294.20/x
  3. Step 3: Cross multiply
    14,154.15x = 21,234.30 × 4,294.20
  4. Step 4: Simplify right side
    14,154.15x = 91,184,331.06
  5. Step 5: Solve for x
    x = 91,184,331.06/14,154.15
  6. Step 6: Final answer
    x = 6,442.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.