Home / 14,519.81-21,779.64-9,588.28

Finding the Fourth Proportional to 14,519.81, 21,779.64 and 9,588.28

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Solution

The fourth proportional to 14,519.81, 21,779.64 and 9,588.28 is: 14,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.81 : 21,779.64 = 9,588.28 : x
  2. Step 2: Convert to fraction form
    14,519.81/21,779.64 = 9,588.28/x
  3. Step 3: Cross multiply
    14,519.81x = 21,779.64 × 9,588.28
  4. Step 4: Simplify right side
    14,519.81x = 208,829,177.72
  5. Step 5: Solve for x
    x = 208,829,177.72/14,519.81
  6. Step 6: Final answer
    x = 14,382.36

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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.