Home / 9,433.85-13,021.70-6,448.59

Finding the Fourth Proportional to 9,433.85, 13,021.70 and 6,448.59

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Solution

The fourth proportional to 9,433.85, 13,021.70 and 6,448.59 is: 8,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,433.85 : 13,021.70 = 6,448.59 : x
  2. Step 2: Convert to fraction form
    9,433.85/13,021.70 = 6,448.59/x
  3. Step 3: Cross multiply
    9,433.85x = 13,021.70 × 6,448.59
  4. Step 4: Simplify right side
    9,433.85x = 83,971,572.16
  5. Step 5: Solve for x
    x = 83,971,572.16/9,433.85
  6. Step 6: Final answer
    x = 8,901.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.