Home / 9,744.56-13,438.51-6,386.15

Finding the Fourth Proportional to 9,744.56, 13,438.51 and 6,386.15

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Solution

The fourth proportional to 9,744.56, 13,438.51 and 6,386.15 is: 8,807.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,744.56 : 13,438.51 = 6,386.15 : x
  2. Step 2: Convert to fraction form
    9,744.56/13,438.51 = 6,386.15/x
  3. Step 3: Cross multiply
    9,744.56x = 13,438.51 × 6,386.15
  4. Step 4: Simplify right side
    9,744.56x = 85,820,340.64
  5. Step 5: Solve for x
    x = 85,820,340.64/9,744.56
  6. Step 6: Final answer
    x = 8,807.00

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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.