Home / 10,107.51-15,148.18-6,982.53

Finding the Fourth Proportional to 10,107.51, 15,148.18 and 6,982.53

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Solution

The fourth proportional to 10,107.51, 15,148.18 and 6,982.53 is: 10,464.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.51 : 15,148.18 = 6,982.53 : x
  2. Step 2: Convert to fraction form
    10,107.51/15,148.18 = 6,982.53/x
  3. Step 3: Cross multiply
    10,107.51x = 15,148.18 × 6,982.53
  4. Step 4: Simplify right side
    10,107.51x = 105,772,621.30
  5. Step 5: Solve for x
    x = 105,772,621.30/10,107.51
  6. Step 6: Final answer
    x = 10,464.76

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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.