Home / 11,147.64-16,688.76-5,870.22

Finding the Fourth Proportional to 11,147.64, 16,688.76 and 5,870.22

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Solution

The fourth proportional to 11,147.64, 16,688.76 and 5,870.22 is: 8,788.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.64 : 16,688.76 = 5,870.22 : x
  2. Step 2: Convert to fraction form
    11,147.64/16,688.76 = 5,870.22/x
  3. Step 3: Cross multiply
    11,147.64x = 16,688.76 × 5,870.22
  4. Step 4: Simplify right side
    11,147.64x = 97,966,692.73
  5. Step 5: Solve for x
    x = 97,966,692.73/11,147.64
  6. Step 6: Final answer
    x = 8,788.11

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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.