Home / 8,653.02-11,929.17-5,815.45

Finding the Fourth Proportional to 8,653.02, 11,929.17 and 5,815.45

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Solution

The fourth proportional to 8,653.02, 11,929.17 and 5,815.45 is: 8,017.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.02 : 11,929.17 = 5,815.45 : x
  2. Step 2: Convert to fraction form
    8,653.02/11,929.17 = 5,815.45/x
  3. Step 3: Cross multiply
    8,653.02x = 11,929.17 × 5,815.45
  4. Step 4: Simplify right side
    8,653.02x = 69,373,491.68
  5. Step 5: Solve for x
    x = 69,373,491.68/8,653.02
  6. Step 6: Final answer
    x = 8,017.26

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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.