Home / 10,430.31-14,393.79-5,714.85

Finding the Fourth Proportional to 10,430.31, 14,393.79 and 5,714.85

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Solution

The fourth proportional to 10,430.31, 14,393.79 and 5,714.85 is: 7,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.31 : 14,393.79 = 5,714.85 : x
  2. Step 2: Convert to fraction form
    10,430.31/14,393.79 = 5,714.85/x
  3. Step 3: Cross multiply
    10,430.31x = 14,393.79 × 5,714.85
  4. Step 4: Simplify right side
    10,430.31x = 82,258,350.78
  5. Step 5: Solve for x
    x = 82,258,350.78/10,430.31
  6. Step 6: Final answer
    x = 7,886.47

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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.