Home / 14,539.41-21,779.52-13,328.46

Finding the Fourth Proportional to 14,539.41, 21,779.52 and 13,328.46

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Solution

The fourth proportional to 14,539.41, 21,779.52 and 13,328.46 is: 19,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,539.41 : 21,779.52 = 13,328.46 : x
  2. Step 2: Convert to fraction form
    14,539.41/21,779.52 = 13,328.46/x
  3. Step 3: Cross multiply
    14,539.41x = 21,779.52 × 13,328.46
  4. Step 4: Simplify right side
    14,539.41x = 290,287,461.14
  5. Step 5: Solve for x
    x = 290,287,461.14/14,539.41
  6. Step 6: Final answer
    x = 19,965.56

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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.