Home / 10,319.31-14,237.51-6,337.89

Finding the Fourth Proportional to 10,319.31, 14,237.51 and 6,337.89

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Solution

The fourth proportional to 10,319.31, 14,237.51 and 6,337.89 is: 8,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.31 : 14,237.51 = 6,337.89 : x
  2. Step 2: Convert to fraction form
    10,319.31/14,237.51 = 6,337.89/x
  3. Step 3: Cross multiply
    10,319.31x = 14,237.51 × 6,337.89
  4. Step 4: Simplify right side
    10,319.31x = 90,235,740.56
  5. Step 5: Solve for x
    x = 90,235,740.56/10,319.31
  6. Step 6: Final answer
    x = 8,744.36

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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.