Home / 10,378.32-15,567.44-6,219.58

Finding the Fourth Proportional to 10,378.32, 15,567.44 and 6,219.58

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Solution

The fourth proportional to 10,378.32, 15,567.44 and 6,219.58 is: 9,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.32 : 15,567.44 = 6,219.58 : x
  2. Step 2: Convert to fraction form
    10,378.32/15,567.44 = 6,219.58/x
  3. Step 3: Cross multiply
    10,378.32x = 15,567.44 × 6,219.58
  4. Step 4: Simplify right side
    10,378.32x = 96,822,938.48
  5. Step 5: Solve for x
    x = 96,822,938.48/10,378.32
  6. Step 6: Final answer
    x = 9,329.35

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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.