Home / 15,000.22-22,495.38-5,139.28

Finding the Fourth Proportional to 15,000.22, 22,495.38 and 5,139.28

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Solution

The fourth proportional to 15,000.22, 22,495.38 and 5,139.28 is: 7,707.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.22 : 22,495.38 = 5,139.28 : x
  2. Step 2: Convert to fraction form
    15,000.22/22,495.38 = 5,139.28/x
  3. Step 3: Cross multiply
    15,000.22x = 22,495.38 × 5,139.28
  4. Step 4: Simplify right side
    15,000.22x = 115,610,056.53
  5. Step 5: Solve for x
    x = 115,610,056.53/15,000.22
  6. Step 6: Final answer
    x = 7,707.22

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1.5x scale

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.