Home / 10,205.64-15,246.45-6,478.02

Finding the Fourth Proportional to 10,205.64, 15,246.45 and 6,478.02

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Solution

The fourth proportional to 10,205.64, 15,246.45 and 6,478.02 is: 9,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.64 : 15,246.45 = 6,478.02 : x
  2. Step 2: Convert to fraction form
    10,205.64/15,246.45 = 6,478.02/x
  3. Step 3: Cross multiply
    10,205.64x = 15,246.45 × 6,478.02
  4. Step 4: Simplify right side
    10,205.64x = 98,766,808.03
  5. Step 5: Solve for x
    x = 98,766,808.03/10,205.64
  6. Step 6: Final answer
    x = 9,677.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.