Home / 9,153.42-12,631.68-4,961.67

Finding the Fourth Proportional to 9,153.42, 12,631.68 and 4,961.67

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Solution

The fourth proportional to 9,153.42, 12,631.68 and 4,961.67 is: 6,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.42 : 12,631.68 = 4,961.67 : x
  2. Step 2: Convert to fraction form
    9,153.42/12,631.68 = 4,961.67/x
  3. Step 3: Cross multiply
    9,153.42x = 12,631.68 × 4,961.67
  4. Step 4: Simplify right side
    9,153.42x = 62,674,227.71
  5. Step 5: Solve for x
    x = 62,674,227.71/9,153.42
  6. Step 6: Final answer
    x = 6,847.08

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Half scale
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Double scale
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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.