Home / 10,293.28-15,440.72-3,368.48

Finding the Fourth Proportional to 10,293.28, 15,440.72 and 3,368.48

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Solution

The fourth proportional to 10,293.28, 15,440.72 and 3,368.48 is: 5,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,293.28 : 15,440.72 = 3,368.48 : x
  2. Step 2: Convert to fraction form
    10,293.28/15,440.72 = 3,368.48/x
  3. Step 3: Cross multiply
    10,293.28x = 15,440.72 × 3,368.48
  4. Step 4: Simplify right side
    10,293.28x = 52,011,756.51
  5. Step 5: Solve for x
    x = 52,011,756.51/10,293.28
  6. Step 6: Final answer
    x = 5,052.98

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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.