Home / 10,293.42-15,428.20-4,735.10

Finding the Fourth Proportional to 10,293.42, 15,428.20 and 4,735.10

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Solution

The fourth proportional to 10,293.42, 15,428.20 and 4,735.10 is: 7,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,293.42 : 15,428.20 = 4,735.10 : x
  2. Step 2: Convert to fraction form
    10,293.42/15,428.20 = 4,735.10/x
  3. Step 3: Cross multiply
    10,293.42x = 15,428.20 × 4,735.10
  4. Step 4: Simplify right side
    10,293.42x = 73,053,998.60
  5. Step 5: Solve for x
    x = 73,053,998.60/10,293.42
  6. Step 6: Final answer
    x = 7,097.16

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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.