Home / 14,270.58-19,638.05-13,162.50

Finding the Fourth Proportional to 14,270.58, 19,638.05 and 13,162.50

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Solution

The fourth proportional to 14,270.58, 19,638.05 and 13,162.50 is: 18,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.58 : 19,638.05 = 13,162.50 : x
  2. Step 2: Convert to fraction form
    14,270.58/19,638.05 = 13,162.50/x
  3. Step 3: Cross multiply
    14,270.58x = 19,638.05 × 13,162.50
  4. Step 4: Simplify right side
    14,270.58x = 258,485,767.31
  5. Step 5: Solve for x
    x = 258,485,767.31/14,270.58
  6. Step 6: Final answer
    x = 18,113.19

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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.