Home / 9,087.90-12,547.51-6,959.67

Finding the Fourth Proportional to 9,087.90, 12,547.51 and 6,959.67

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Solution

The fourth proportional to 9,087.90, 12,547.51 and 6,959.67 is: 9,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.90 : 12,547.51 = 6,959.67 : x
  2. Step 2: Convert to fraction form
    9,087.90/12,547.51 = 6,959.67/x
  3. Step 3: Cross multiply
    9,087.90x = 12,547.51 × 6,959.67
  4. Step 4: Simplify right side
    9,087.90x = 87,326,579.09
  5. Step 5: Solve for x
    x = 87,326,579.09/9,087.90
  6. Step 6: Final answer
    x = 9,609.11

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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.