Home / 14,328.82-19,779.90-13,432.12

Finding the Fourth Proportional to 14,328.82, 19,779.90 and 13,432.12

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Solution

The fourth proportional to 14,328.82, 19,779.90 and 13,432.12 is: 18,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.82 : 19,779.90 = 13,432.12 : x
  2. Step 2: Convert to fraction form
    14,328.82/19,779.90 = 13,432.12/x
  3. Step 3: Cross multiply
    14,328.82x = 19,779.90 × 13,432.12
  4. Step 4: Simplify right side
    14,328.82x = 265,685,990.39
  5. Step 5: Solve for x
    x = 265,685,990.39/14,328.82
  6. Step 6: Final answer
    x = 18,542.07

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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.