Home / 15,205.08-22,809.96-6,442.32

Finding the Fourth Proportional to 15,205.08, 22,809.96 and 6,442.32

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Solution

The fourth proportional to 15,205.08, 22,809.96 and 6,442.32 is: 9,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205.08 : 22,809.96 = 6,442.32 : x
  2. Step 2: Convert to fraction form
    15,205.08/22,809.96 = 6,442.32/x
  3. Step 3: Cross multiply
    15,205.08x = 22,809.96 × 6,442.32
  4. Step 4: Simplify right side
    15,205.08x = 146,949,061.51
  5. Step 5: Solve for x
    x = 146,949,061.51/15,205.08
  6. Step 6: Final answer
    x = 9,664.47

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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.