Home / 9,158.05-13,805.70-8,547.73

Finding the Fourth Proportional to 9,158.05, 13,805.70 and 8,547.73

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Solution

The fourth proportional to 9,158.05, 13,805.70 and 8,547.73 is: 12,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.05 : 13,805.70 = 8,547.73 : x
  2. Step 2: Convert to fraction form
    9,158.05/13,805.70 = 8,547.73/x
  3. Step 3: Cross multiply
    9,158.05x = 13,805.70 × 8,547.73
  4. Step 4: Simplify right side
    9,158.05x = 118,007,353.53
  5. Step 5: Solve for x
    x = 118,007,353.53/9,158.05
  6. Step 6: Final answer
    x = 12,885.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.