Home / 10,158.56-15,241.40-4,238.64

Finding the Fourth Proportional to 10,158.56, 15,241.40 and 4,238.64

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Solution

The fourth proportional to 10,158.56, 15,241.40 and 4,238.64 is: 6,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.56 : 15,241.40 = 4,238.64 : x
  2. Step 2: Convert to fraction form
    10,158.56/15,241.40 = 4,238.64/x
  3. Step 3: Cross multiply
    10,158.56x = 15,241.40 × 4,238.64
  4. Step 4: Simplify right side
    10,158.56x = 64,602,807.70
  5. Step 5: Solve for x
    x = 64,602,807.70/10,158.56
  6. Step 6: Final answer
    x = 6,359.45

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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.