Home / 13,770.11-19,010.63-9,068.06

Finding the Fourth Proportional to 13,770.11, 19,010.63 and 9,068.06

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Solution

The fourth proportional to 13,770.11, 19,010.63 and 9,068.06 is: 12,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.11 : 19,010.63 = 9,068.06 : x
  2. Step 2: Convert to fraction form
    13,770.11/19,010.63 = 9,068.06/x
  3. Step 3: Cross multiply
    13,770.11x = 19,010.63 × 9,068.06
  4. Step 4: Simplify right side
    13,770.11x = 172,389,603.67
  5. Step 5: Solve for x
    x = 172,389,603.67/13,770.11
  6. Step 6: Final answer
    x = 12,519.11

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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.