Home / 10,355.68-15,533.52-2,564.40

Finding the Fourth Proportional to 10,355.68, 15,533.52 and 2,564.40

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Solution

The fourth proportional to 10,355.68, 15,533.52 and 2,564.40 is: 3,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.68 : 15,533.52 = 2,564.40 : x
  2. Step 2: Convert to fraction form
    10,355.68/15,533.52 = 2,564.40/x
  3. Step 3: Cross multiply
    10,355.68x = 15,533.52 × 2,564.40
  4. Step 4: Simplify right side
    10,355.68x = 39,834,158.69
  5. Step 5: Solve for x
    x = 39,834,158.69/10,355.68
  6. Step 6: Final answer
    x = 3,846.60

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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.