Home / 15,547.02-21,454.96-8,833.02

Finding the Fourth Proportional to 15,547.02, 21,454.96 and 8,833.02

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Solution

The fourth proportional to 15,547.02, 21,454.96 and 8,833.02 is: 12,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.02 : 21,454.96 = 8,833.02 : x
  2. Step 2: Convert to fraction form
    15,547.02/21,454.96 = 8,833.02/x
  3. Step 3: Cross multiply
    15,547.02x = 21,454.96 × 8,833.02
  4. Step 4: Simplify right side
    15,547.02x = 189,512,090.78
  5. Step 5: Solve for x
    x = 189,512,090.78/15,547.02
  6. Step 6: Final answer
    x = 12,189.61

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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.