Home / 14,739.84-20,337.89-9,363.87

Finding the Fourth Proportional to 14,739.84, 20,337.89 and 9,363.87

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Solution

The fourth proportional to 14,739.84, 20,337.89 and 9,363.87 is: 12,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.84 : 20,337.89 = 9,363.87 : x
  2. Step 2: Convert to fraction form
    14,739.84/20,337.89 = 9,363.87/x
  3. Step 3: Cross multiply
    14,739.84x = 20,337.89 × 9,363.87
  4. Step 4: Simplify right side
    14,739.84x = 190,441,311.21
  5. Step 5: Solve for x
    x = 190,441,311.21/14,739.84
  6. Step 6: Final answer
    x = 12,920.17

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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.