Home / 9,314.24-12,853.44-5,122.40

Finding the Fourth Proportional to 9,314.24, 12,853.44 and 5,122.40

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Solution

The fourth proportional to 9,314.24, 12,853.44 and 5,122.40 is: 7,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.24 : 12,853.44 = 5,122.40 : x
  2. Step 2: Convert to fraction form
    9,314.24/12,853.44 = 5,122.40/x
  3. Step 3: Cross multiply
    9,314.24x = 12,853.44 × 5,122.40
  4. Step 4: Simplify right side
    9,314.24x = 65,840,461.06
  5. Step 5: Solve for x
    x = 65,840,461.06/9,314.24
  6. Step 6: Final answer
    x = 7,068.80

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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.