Home / 14,810.28-20,441.06-9,511.80

Finding the Fourth Proportional to 14,810.28, 20,441.06 and 9,511.80

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Solution

The fourth proportional to 14,810.28, 20,441.06 and 9,511.80 is: 13,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.28 : 20,441.06 = 9,511.80 : x
  2. Step 2: Convert to fraction form
    14,810.28/20,441.06 = 9,511.80/x
  3. Step 3: Cross multiply
    14,810.28x = 20,441.06 × 9,511.80
  4. Step 4: Simplify right side
    14,810.28x = 194,431,274.51
  5. Step 5: Solve for x
    x = 194,431,274.51/14,810.28
  6. Step 6: Final answer
    x = 13,128.13

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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.