Home / 13,839.24-19,118.96-9,070.50

Finding the Fourth Proportional to 13,839.24, 19,118.96 and 9,070.50

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Solution

The fourth proportional to 13,839.24, 19,118.96 and 9,070.50 is: 12,530.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.24 : 19,118.96 = 9,070.50 : x
  2. Step 2: Convert to fraction form
    13,839.24/19,118.96 = 9,070.50/x
  3. Step 3: Cross multiply
    13,839.24x = 19,118.96 × 9,070.50
  4. Step 4: Simplify right side
    13,839.24x = 173,418,526.68
  5. Step 5: Solve for x
    x = 173,418,526.68/13,839.24
  6. Step 6: Final answer
    x = 12,530.93

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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.