Home / 15,006.24-20,703.60-9,707.76

Finding the Fourth Proportional to 15,006.24, 20,703.60 and 9,707.76

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Solution

The fourth proportional to 15,006.24, 20,703.60 and 9,707.76 is: 13,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006.24 : 20,703.60 = 9,707.76 : x
  2. Step 2: Convert to fraction form
    15,006.24/20,703.60 = 9,707.76/x
  3. Step 3: Cross multiply
    15,006.24x = 20,703.60 × 9,707.76
  4. Step 4: Simplify right side
    15,006.24x = 200,985,579.94
  5. Step 5: Solve for x
    x = 200,985,579.94/15,006.24
  6. Step 6: Final answer
    x = 13,393.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.