Home / 9,315.18-12,852.36-5,955.75

Finding the Fourth Proportional to 9,315.18, 12,852.36 and 5,955.75

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Solution

The fourth proportional to 9,315.18, 12,852.36 and 5,955.75 is: 8,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.18 : 12,852.36 = 5,955.75 : x
  2. Step 2: Convert to fraction form
    9,315.18/12,852.36 = 5,955.75/x
  3. Step 3: Cross multiply
    9,315.18x = 12,852.36 × 5,955.75
  4. Step 4: Simplify right side
    9,315.18x = 76,545,443.07
  5. Step 5: Solve for x
    x = 76,545,443.07/9,315.18
  6. Step 6: Final answer
    x = 8,217.28

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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.