Home / 10,256.23-14,146.57-6,279.31

Finding the Fourth Proportional to 10,256.23, 14,146.57 and 6,279.31

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Solution

The fourth proportional to 10,256.23, 14,146.57 and 6,279.31 is: 8,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.23 : 14,146.57 = 6,279.31 : x
  2. Step 2: Convert to fraction form
    10,256.23/14,146.57 = 6,279.31/x
  3. Step 3: Cross multiply
    10,256.23x = 14,146.57 × 6,279.31
  4. Step 4: Simplify right side
    10,256.23x = 88,830,609.10
  5. Step 5: Solve for x
    x = 88,830,609.10/10,256.23
  6. Step 6: Final answer
    x = 8,661.14

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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.