Home / 10,176.96-14,040-7,530.88

Finding the Fourth Proportional to 10,176.96, 14,040 and 7,530.88

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Solution

The fourth proportional to 10,176.96, 14,040 and 7,530.88 is: 10,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.96 : 14,040 = 7,530.88 : x
  2. Step 2: Convert to fraction form
    10,176.96/14,040 = 7,530.88/x
  3. Step 3: Cross multiply
    10,176.96x = 14,040 × 7,530.88
  4. Step 4: Simplify right side
    10,176.96x = 105,733,555.20
  5. Step 5: Solve for x
    x = 105,733,555.20/10,176.96
  6. Step 6: Final answer
    x = 10,389.50

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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.