Home / 13,770.19-19,002.98-7,482.56

Finding the Fourth Proportional to 13,770.19, 19,002.98 and 7,482.56

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Solution

The fourth proportional to 13,770.19, 19,002.98 and 7,482.56 is: 10,326.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.19 : 19,002.98 = 7,482.56 : x
  2. Step 2: Convert to fraction form
    13,770.19/19,002.98 = 7,482.56/x
  3. Step 3: Cross multiply
    13,770.19x = 19,002.98 × 7,482.56
  4. Step 4: Simplify right side
    13,770.19x = 142,190,900.62
  5. Step 5: Solve for x
    x = 142,190,900.62/13,770.19
  6. Step 6: Final answer
    x = 10,326.00

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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.