Home / 10,263.78-15,420.33-6,573.18

Finding the Fourth Proportional to 10,263.78, 15,420.33 and 6,573.18

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Solution

The fourth proportional to 10,263.78, 15,420.33 and 6,573.18 is: 9,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.78 : 15,420.33 = 6,573.18 : x
  2. Step 2: Convert to fraction form
    10,263.78/15,420.33 = 6,573.18/x
  3. Step 3: Cross multiply
    10,263.78x = 15,420.33 × 6,573.18
  4. Step 4: Simplify right side
    10,263.78x = 101,360,604.75
  5. Step 5: Solve for x
    x = 101,360,604.75/10,263.78
  6. Step 6: Final answer
    x = 9,875.56

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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.