Home / 10,707.58-16,061.36-3,312.10

Finding the Fourth Proportional to 10,707.58, 16,061.36 and 3,312.10

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Solution

The fourth proportional to 10,707.58, 16,061.36 and 3,312.10 is: 4,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.58 : 16,061.36 = 3,312.10 : x
  2. Step 2: Convert to fraction form
    10,707.58/16,061.36 = 3,312.10/x
  3. Step 3: Cross multiply
    10,707.58x = 16,061.36 × 3,312.10
  4. Step 4: Simplify right side
    10,707.58x = 53,196,816.75
  5. Step 5: Solve for x
    x = 53,196,816.75/10,707.58
  6. Step 6: Final answer
    x = 4,968.15

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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.