Home / 13,263.34-19,895.01-6,316.78

Finding the Fourth Proportional to 13,263.34, 19,895.01 and 6,316.78

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Solution

The fourth proportional to 13,263.34, 19,895.01 and 6,316.78 is: 9,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.34 : 19,895.01 = 6,316.78 : x
  2. Step 2: Convert to fraction form
    13,263.34/19,895.01 = 6,316.78/x
  3. Step 3: Cross multiply
    13,263.34x = 19,895.01 × 6,316.78
  4. Step 4: Simplify right side
    13,263.34x = 125,672,401.27
  5. Step 5: Solve for x
    x = 125,672,401.27/13,263.34
  6. Step 6: Final answer
    x = 9,475.17

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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.