Home / 13,261.46-19,892.79-9,383.18

Finding the Fourth Proportional to 13,261.46, 19,892.79 and 9,383.18

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Solution

The fourth proportional to 13,261.46, 19,892.79 and 9,383.18 is: 14,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.46 : 19,892.79 = 9,383.18 : x
  2. Step 2: Convert to fraction form
    13,261.46/19,892.79 = 9,383.18/x
  3. Step 3: Cross multiply
    13,261.46x = 19,892.79 × 9,383.18
  4. Step 4: Simplify right side
    13,261.46x = 186,657,529.81
  5. Step 5: Solve for x
    x = 186,657,529.81/13,261.46
  6. Step 6: Final answer
    x = 14,075.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.