Home / 9,146.40-12,613.37-6,309.24

Finding the Fourth Proportional to 9,146.40, 12,613.37 and 6,309.24

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Solution

The fourth proportional to 9,146.40, 12,613.37 and 6,309.24 is: 8,700.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.40 : 12,613.37 = 6,309.24 : x
  2. Step 2: Convert to fraction form
    9,146.40/12,613.37 = 6,309.24/x
  3. Step 3: Cross multiply
    9,146.40x = 12,613.37 × 6,309.24
  4. Step 4: Simplify right side
    9,146.40x = 79,580,746.99
  5. Step 5: Solve for x
    x = 79,580,746.99/9,146.40
  6. Step 6: Final answer
    x = 8,700.77

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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.