Home / 14,767.36-20,381.12-9,730.80

Finding the Fourth Proportional to 14,767.36, 20,381.12 and 9,730.80

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Solution

The fourth proportional to 14,767.36, 20,381.12 and 9,730.80 is: 13,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.36 : 20,381.12 = 9,730.80 : x
  2. Step 2: Convert to fraction form
    14,767.36/20,381.12 = 9,730.80/x
  3. Step 3: Cross multiply
    14,767.36x = 20,381.12 × 9,730.80
  4. Step 4: Simplify right side
    14,767.36x = 198,324,602.50
  5. Step 5: Solve for x
    x = 198,324,602.50/14,767.36
  6. Step 6: Final answer
    x = 13,429.93

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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.