Home / 9,744.90-13,439.13-6,386.50

Finding the Fourth Proportional to 9,744.90, 13,439.13 and 6,386.50

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Solution

The fourth proportional to 9,744.90, 13,439.13 and 6,386.50 is: 8,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,744.90 : 13,439.13 = 6,386.50 : x
  2. Step 2: Convert to fraction form
    9,744.90/13,439.13 = 6,386.50/x
  3. Step 3: Cross multiply
    9,744.90x = 13,439.13 × 6,386.50
  4. Step 4: Simplify right side
    9,744.90x = 85,829,003.75
  5. Step 5: Solve for x
    x = 85,829,003.75/9,744.90
  6. Step 6: Final answer
    x = 8,807.58

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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.