Home / 13,892.30-19,116.74-12,567.50

Finding the Fourth Proportional to 13,892.30, 19,116.74 and 12,567.50

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Solution

The fourth proportional to 13,892.30, 19,116.74 and 12,567.50 is: 17,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.30 : 19,116.74 = 12,567.50 : x
  2. Step 2: Convert to fraction form
    13,892.30/19,116.74 = 12,567.50/x
  3. Step 3: Cross multiply
    13,892.30x = 19,116.74 × 12,567.50
  4. Step 4: Simplify right side
    13,892.30x = 240,249,629.95
  5. Step 5: Solve for x
    x = 240,249,629.95/13,892.30
  6. Step 6: Final answer
    x = 17,293.73

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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.