Home / 15,139.32-22,707.54-4,749.24

Finding the Fourth Proportional to 15,139.32, 22,707.54 and 4,749.24

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Solution

The fourth proportional to 15,139.32, 22,707.54 and 4,749.24 is: 7,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.32 : 22,707.54 = 4,749.24 : x
  2. Step 2: Convert to fraction form
    15,139.32/22,707.54 = 4,749.24/x
  3. Step 3: Cross multiply
    15,139.32x = 22,707.54 × 4,749.24
  4. Step 4: Simplify right side
    15,139.32x = 107,843,557.27
  5. Step 5: Solve for x
    x = 107,843,557.27/15,139.32
  6. Step 6: Final answer
    x = 7,123.41

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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.