Home / 10,530.54-15,784.47-5,595.21

Finding the Fourth Proportional to 10,530.54, 15,784.47 and 5,595.21

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Solution

The fourth proportional to 10,530.54, 15,784.47 and 5,595.21 is: 8,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.54 : 15,784.47 = 5,595.21 : x
  2. Step 2: Convert to fraction form
    10,530.54/15,784.47 = 5,595.21/x
  3. Step 3: Cross multiply
    10,530.54x = 15,784.47 × 5,595.21
  4. Step 4: Simplify right side
    10,530.54x = 88,317,424.39
  5. Step 5: Solve for x
    x = 88,317,424.39/10,530.54
  6. Step 6: Final answer
    x = 8,386.79

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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.