Home / 15,547.54-21,454.83-8,832.28

Finding the Fourth Proportional to 15,547.54, 21,454.83 and 8,832.28

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Solution

The fourth proportional to 15,547.54, 21,454.83 and 8,832.28 is: 12,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.54 : 21,454.83 = 8,832.28 : x
  2. Step 2: Convert to fraction form
    15,547.54/21,454.83 = 8,832.28/x
  3. Step 3: Cross multiply
    15,547.54x = 21,454.83 × 8,832.28
  4. Step 4: Simplify right side
    15,547.54x = 189,495,065.91
  5. Step 5: Solve for x
    x = 189,495,065.91/15,547.54
  6. Step 6: Final answer
    x = 12,188.11

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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.