Home / 10,465.07-15,702.99-5,784.21

Finding the Fourth Proportional to 10,465.07, 15,702.99 and 5,784.21

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Solution

The fourth proportional to 10,465.07, 15,702.99 and 5,784.21 is: 8,679.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465.07 : 15,702.99 = 5,784.21 : x
  2. Step 2: Convert to fraction form
    10,465.07/15,702.99 = 5,784.21/x
  3. Step 3: Cross multiply
    10,465.07x = 15,702.99 × 5,784.21
  4. Step 4: Simplify right side
    10,465.07x = 90,829,284.35
  5. Step 5: Solve for x
    x = 90,829,284.35/10,465.07
  6. Step 6: Final answer
    x = 8,679.29

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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.