Home / 14,333.16-19,779.80-8,045.56

Finding the Fourth Proportional to 14,333.16, 19,779.80 and 8,045.56

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Solution

The fourth proportional to 14,333.16, 19,779.80 and 8,045.56 is: 11,102.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,333.16 : 19,779.80 = 8,045.56 : x
  2. Step 2: Convert to fraction form
    14,333.16/19,779.80 = 8,045.56/x
  3. Step 3: Cross multiply
    14,333.16x = 19,779.80 × 8,045.56
  4. Step 4: Simplify right side
    14,333.16x = 159,139,567.69
  5. Step 5: Solve for x
    x = 159,139,567.69/14,333.16
  6. Step 6: Final answer
    x = 11,102.89

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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.