Home / 10,547.55-15,821.33-3,975.21

Finding the Fourth Proportional to 10,547.55, 15,821.33 and 3,975.21

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Solution

The fourth proportional to 10,547.55, 15,821.33 and 3,975.21 is: 5,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.55 : 15,821.33 = 3,975.21 : x
  2. Step 2: Convert to fraction form
    10,547.55/15,821.33 = 3,975.21/x
  3. Step 3: Cross multiply
    10,547.55x = 15,821.33 × 3,975.21
  4. Step 4: Simplify right side
    10,547.55x = 62,893,089.35
  5. Step 5: Solve for x
    x = 62,893,089.35/10,547.55
  6. Step 6: Final answer
    x = 5,962.82

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Similar ratio
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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.