Home / 11,557-15,948.60-6,251.80

Finding the Fourth Proportional to 11,557, 15,948.60 and 6,251.80

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Solution

The fourth proportional to 11,557, 15,948.60 and 6,251.80 is: 8,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557 : 15,948.60 = 6,251.80 : x
  2. Step 2: Convert to fraction form
    11,557/15,948.60 = 6,251.80/x
  3. Step 3: Cross multiply
    11,557x = 15,948.60 × 6,251.80
  4. Step 4: Simplify right side
    11,557x = 99,707,457.48
  5. Step 5: Solve for x
    x = 99,707,457.48/11,557
  6. Step 6: Final answer
    x = 8,627.45

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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.