Home / 14,301.61-19,715.81-11,779.73

Finding the Fourth Proportional to 14,301.61, 19,715.81 and 11,779.73

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Solution

The fourth proportional to 14,301.61, 19,715.81 and 11,779.73 is: 16,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,301.61 : 19,715.81 = 11,779.73 : x
  2. Step 2: Convert to fraction form
    14,301.61/19,715.81 = 11,779.73/x
  3. Step 3: Cross multiply
    14,301.61x = 19,715.81 × 11,779.73
  4. Step 4: Simplify right side
    14,301.61x = 232,246,834.99
  5. Step 5: Solve for x
    x = 232,246,834.99/14,301.61
  6. Step 6: Final answer
    x = 16,239.21

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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.