Home / 9,386.88-12,953.85-5,079.96

Finding the Fourth Proportional to 9,386.88, 12,953.85 and 5,079.96

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Solution

The fourth proportional to 9,386.88, 12,953.85 and 5,079.96 is: 7,010.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.88 : 12,953.85 = 5,079.96 : x
  2. Step 2: Convert to fraction form
    9,386.88/12,953.85 = 5,079.96/x
  3. Step 3: Cross multiply
    9,386.88x = 12,953.85 × 5,079.96
  4. Step 4: Simplify right side
    9,386.88x = 65,805,045.44
  5. Step 5: Solve for x
    x = 65,805,045.44/9,386.88
  6. Step 6: Final answer
    x = 7,010.32

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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.