Home / 8,938.14-12,335.21-4,959.69

Finding the Fourth Proportional to 8,938.14, 12,335.21 and 4,959.69

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Solution

The fourth proportional to 8,938.14, 12,335.21 and 4,959.69 is: 6,844.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.14 : 12,335.21 = 4,959.69 : x
  2. Step 2: Convert to fraction form
    8,938.14/12,335.21 = 4,959.69/x
  3. Step 3: Cross multiply
    8,938.14x = 12,335.21 × 4,959.69
  4. Step 4: Simplify right side
    8,938.14x = 61,178,830.08
  5. Step 5: Solve for x
    x = 61,178,830.08/8,938.14
  6. Step 6: Final answer
    x = 6,844.69

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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.