Home / 13,304.64-19,960.56-10,862.40

Finding the Fourth Proportional to 13,304.64, 19,960.56 and 10,862.40

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Solution

The fourth proportional to 13,304.64, 19,960.56 and 10,862.40 is: 16,296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.64 : 19,960.56 = 10,862.40 : x
  2. Step 2: Convert to fraction form
    13,304.64/19,960.56 = 10,862.40/x
  3. Step 3: Cross multiply
    13,304.64x = 19,960.56 × 10,862.40
  4. Step 4: Simplify right side
    13,304.64x = 216,819,586.94
  5. Step 5: Solve for x
    x = 216,819,586.94/13,304.64
  6. Step 6: Final answer
    x = 16,296.54

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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.