Home / 9,155.02-13,699.72-7,926.67

Finding the Fourth Proportional to 9,155.02, 13,699.72 and 7,926.67

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Solution

The fourth proportional to 9,155.02, 13,699.72 and 7,926.67 is: 11,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.02 : 13,699.72 = 7,926.67 : x
  2. Step 2: Convert to fraction form
    9,155.02/13,699.72 = 7,926.67/x
  3. Step 3: Cross multiply
    9,155.02x = 13,699.72 × 7,926.67
  4. Step 4: Simplify right side
    9,155.02x = 108,593,159.53
  5. Step 5: Solve for x
    x = 108,593,159.53/9,155.02
  6. Step 6: Final answer
    x = 11,861.60

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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.