Home / 15,547.03-21,455.48-8,833.80

Finding the Fourth Proportional to 15,547.03, 21,455.48 and 8,833.80

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Solution

The fourth proportional to 15,547.03, 21,455.48 and 8,833.80 is: 12,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.03 : 21,455.48 = 8,833.80 : x
  2. Step 2: Convert to fraction form
    15,547.03/21,455.48 = 8,833.80/x
  3. Step 3: Cross multiply
    15,547.03x = 21,455.48 × 8,833.80
  4. Step 4: Simplify right side
    15,547.03x = 189,533,387.67
  5. Step 5: Solve for x
    x = 189,533,387.67/15,547.03
  6. Step 6: Final answer
    x = 12,190.97

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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.