Home / 15,547.68-21,455.04-8,832.44

Finding the Fourth Proportional to 15,547.68, 21,455.04 and 8,832.44

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Solution

The fourth proportional to 15,547.68, 21,455.04 and 8,832.44 is: 12,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.68 : 21,455.04 = 8,832.44 : x
  2. Step 2: Convert to fraction form
    15,547.68/21,455.04 = 8,832.44/x
  3. Step 3: Cross multiply
    15,547.68x = 21,455.04 × 8,832.44
  4. Step 4: Simplify right side
    15,547.68x = 189,500,353.50
  5. Step 5: Solve for x
    x = 189,500,353.50/15,547.68
  6. Step 6: Final answer
    x = 12,188.34

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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.