Home / 13,283.46-18,330.58-7,614.14

Finding the Fourth Proportional to 13,283.46, 18,330.58 and 7,614.14

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Solution

The fourth proportional to 13,283.46, 18,330.58 and 7,614.14 is: 10,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.46 : 18,330.58 = 7,614.14 : x
  2. Step 2: Convert to fraction form
    13,283.46/18,330.58 = 7,614.14/x
  3. Step 3: Cross multiply
    13,283.46x = 18,330.58 × 7,614.14
  4. Step 4: Simplify right side
    13,283.46x = 139,571,602.40
  5. Step 5: Solve for x
    x = 139,571,602.40/13,283.46
  6. Step 6: Final answer
    x = 10,507.17

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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.