Home / 8,910.16-13,365.18-6,964

Finding the Fourth Proportional to 8,910.16, 13,365.18 and 6,964

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Solution

The fourth proportional to 8,910.16, 13,365.18 and 6,964 is: 10,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.16 : 13,365.18 = 6,964 : x
  2. Step 2: Convert to fraction form
    8,910.16/13,365.18 = 6,964/x
  3. Step 3: Cross multiply
    8,910.16x = 13,365.18 × 6,964
  4. Step 4: Simplify right side
    8,910.16x = 93,075,113.52
  5. Step 5: Solve for x
    x = 93,075,113.52/8,910.16
  6. Step 6: Final answer
    x = 10,445.95

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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.