Home / 9,838.08-13,547.52-8,789.76

Finding the Fourth Proportional to 9,838.08, 13,547.52 and 8,789.76

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Solution

The fourth proportional to 9,838.08, 13,547.52 and 8,789.76 is: 12,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838.08 : 13,547.52 = 8,789.76 : x
  2. Step 2: Convert to fraction form
    9,838.08/13,547.52 = 8,789.76/x
  3. Step 3: Cross multiply
    9,838.08x = 13,547.52 × 8,789.76
  4. Step 4: Simplify right side
    9,838.08x = 119,079,449.40
  5. Step 5: Solve for x
    x = 119,079,449.40/9,838.08
  6. Step 6: Final answer
    x = 12,103.93

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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.