Home / 9,320.86-13,995.06-6,220.18

Finding the Fourth Proportional to 9,320.86, 13,995.06 and 6,220.18

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Solution

The fourth proportional to 9,320.86, 13,995.06 and 6,220.18 is: 9,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.86 : 13,995.06 = 6,220.18 : x
  2. Step 2: Convert to fraction form
    9,320.86/13,995.06 = 6,220.18/x
  3. Step 3: Cross multiply
    9,320.86x = 13,995.06 × 6,220.18
  4. Step 4: Simplify right side
    9,320.86x = 87,051,792.31
  5. Step 5: Solve for x
    x = 87,051,792.31/9,320.86
  6. Step 6: Final answer
    x = 9,339.46

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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.