Home / 10,365.24-15,551.28-4,128.24

Finding the Fourth Proportional to 10,365.24, 15,551.28 and 4,128.24

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Solution

The fourth proportional to 10,365.24, 15,551.28 and 4,128.24 is: 6,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.24 : 15,551.28 = 4,128.24 : x
  2. Step 2: Convert to fraction form
    10,365.24/15,551.28 = 4,128.24/x
  3. Step 3: Cross multiply
    10,365.24x = 15,551.28 × 4,128.24
  4. Step 4: Simplify right side
    10,365.24x = 64,199,416.15
  5. Step 5: Solve for x
    x = 64,199,416.15/10,365.24
  6. Step 6: Final answer
    x = 6,193.72

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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.