Home / 10,309.48-15,440.15-7,529.27

Finding the Fourth Proportional to 10,309.48, 15,440.15 and 7,529.27

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Solution

The fourth proportional to 10,309.48, 15,440.15 and 7,529.27 is: 11,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.48 : 15,440.15 = 7,529.27 : x
  2. Step 2: Convert to fraction form
    10,309.48/15,440.15 = 7,529.27/x
  3. Step 3: Cross multiply
    10,309.48x = 15,440.15 × 7,529.27
  4. Step 4: Simplify right side
    10,309.48x = 116,252,999.81
  5. Step 5: Solve for x
    x = 116,252,999.81/10,309.48
  6. Step 6: Final answer
    x = 11,276.32

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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.