Home / 8,587.60-11,845.47-6,696.14

Finding the Fourth Proportional to 8,587.60, 11,845.47 and 6,696.14

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Solution

The fourth proportional to 8,587.60, 11,845.47 and 6,696.14 is: 9,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.60 : 11,845.47 = 6,696.14 : x
  2. Step 2: Convert to fraction form
    8,587.60/11,845.47 = 6,696.14/x
  3. Step 3: Cross multiply
    8,587.60x = 11,845.47 × 6,696.14
  4. Step 4: Simplify right side
    8,587.60x = 79,318,925.49
  5. Step 5: Solve for x
    x = 79,318,925.49/8,587.60
  6. Step 6: Final answer
    x = 9,236.45

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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.