Home / 9,339.69-14,009.40-3,792.90

Finding the Fourth Proportional to 9,339.69, 14,009.40 and 3,792.90

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Solution

The fourth proportional to 9,339.69, 14,009.40 and 3,792.90 is: 5,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.69 : 14,009.40 = 3,792.90 : x
  2. Step 2: Convert to fraction form
    9,339.69/14,009.40 = 3,792.90/x
  3. Step 3: Cross multiply
    9,339.69x = 14,009.40 × 3,792.90
  4. Step 4: Simplify right side
    9,339.69x = 53,136,253.26
  5. Step 5: Solve for x
    x = 53,136,253.26/9,339.69
  6. Step 6: Final answer
    x = 5,689.30

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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.