Home / 10,527.14-15,787.46-3,130.22

Finding the Fourth Proportional to 10,527.14, 15,787.46 and 3,130.22

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Solution

The fourth proportional to 10,527.14, 15,787.46 and 3,130.22 is: 4,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.14 : 15,787.46 = 3,130.22 : x
  2. Step 2: Convert to fraction form
    10,527.14/15,787.46 = 3,130.22/x
  3. Step 3: Cross multiply
    10,527.14x = 15,787.46 × 3,130.22
  4. Step 4: Simplify right side
    10,527.14x = 49,418,223.04
  5. Step 5: Solve for x
    x = 49,418,223.04/10,527.14
  6. Step 6: Final answer
    x = 4,694.36

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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.