Home / 8,247.10-12,385.44-7,587.76

Finding the Fourth Proportional to 8,247.10, 12,385.44 and 7,587.76

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Solution

The fourth proportional to 8,247.10, 12,385.44 and 7,587.76 is: 11,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.10 : 12,385.44 = 7,587.76 : x
  2. Step 2: Convert to fraction form
    8,247.10/12,385.44 = 7,587.76/x
  3. Step 3: Cross multiply
    8,247.10x = 12,385.44 × 7,587.76
  4. Step 4: Simplify right side
    8,247.10x = 93,977,746.21
  5. Step 5: Solve for x
    x = 93,977,746.21/8,247.10
  6. Step 6: Final answer
    x = 11,395.25

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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.