Home / 10,312.59-15,463.74-4,388.55

Finding the Fourth Proportional to 10,312.59, 15,463.74 and 4,388.55

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Solution

The fourth proportional to 10,312.59, 15,463.74 and 4,388.55 is: 6,580.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.59 : 15,463.74 = 4,388.55 : x
  2. Step 2: Convert to fraction form
    10,312.59/15,463.74 = 4,388.55/x
  3. Step 3: Cross multiply
    10,312.59x = 15,463.74 × 4,388.55
  4. Step 4: Simplify right side
    10,312.59x = 67,863,396.18
  5. Step 5: Solve for x
    x = 67,863,396.18/10,312.59
  6. Step 6: Final answer
    x = 6,580.64

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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.