Home / 15,102.12-22,655.96-4,971.07

Finding the Fourth Proportional to 15,102.12, 22,655.96 and 4,971.07

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Solution

The fourth proportional to 15,102.12, 22,655.96 and 4,971.07 is: 7,457.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.12 : 22,655.96 = 4,971.07 : x
  2. Step 2: Convert to fraction form
    15,102.12/22,655.96 = 4,971.07/x
  3. Step 3: Cross multiply
    15,102.12x = 22,655.96 × 4,971.07
  4. Step 4: Simplify right side
    15,102.12x = 112,624,363.08
  5. Step 5: Solve for x
    x = 112,624,363.08/15,102.12
  6. Step 6: Final answer
    x = 7,457.52

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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.