Home / 13,750.32-20,606.87-6,244.53

Finding the Fourth Proportional to 13,750.32, 20,606.87 and 6,244.53

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Solution

The fourth proportional to 13,750.32, 20,606.87 and 6,244.53 is: 9,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.32 : 20,606.87 = 6,244.53 : x
  2. Step 2: Convert to fraction form
    13,750.32/20,606.87 = 6,244.53/x
  3. Step 3: Cross multiply
    13,750.32x = 20,606.87 × 6,244.53
  4. Step 4: Simplify right side
    13,750.32x = 128,680,186.70
  5. Step 5: Solve for x
    x = 128,680,186.70/13,750.32
  6. Step 6: Final answer
    x = 9,358.34

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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.