Home / 9,929.28-14,895-3,688.56

Finding the Fourth Proportional to 9,929.28, 14,895 and 3,688.56

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Solution

The fourth proportional to 9,929.28, 14,895 and 3,688.56 is: 5,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.28 : 14,895 = 3,688.56 : x
  2. Step 2: Convert to fraction form
    9,929.28/14,895 = 3,688.56/x
  3. Step 3: Cross multiply
    9,929.28x = 14,895 × 3,688.56
  4. Step 4: Simplify right side
    9,929.28x = 54,941,101.20
  5. Step 5: Solve for x
    x = 54,941,101.20/9,929.28
  6. Step 6: Final answer
    x = 5,533.24

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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.