Home / 10,637.30-15,965.79-5,376.01

Finding the Fourth Proportional to 10,637.30, 15,965.79 and 5,376.01

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Solution

The fourth proportional to 10,637.30, 15,965.79 and 5,376.01 is: 8,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.30 : 15,965.79 = 5,376.01 : x
  2. Step 2: Convert to fraction form
    10,637.30/15,965.79 = 5,376.01/x
  3. Step 3: Cross multiply
    10,637.30x = 15,965.79 × 5,376.01
  4. Step 4: Simplify right side
    10,637.30x = 85,832,166.87
  5. Step 5: Solve for x
    x = 85,832,166.87/10,637.30
  6. Step 6: Final answer
    x = 8,068.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.