Home / 10,370.55-15,557.82-5,688

Finding the Fourth Proportional to 10,370.55, 15,557.82 and 5,688

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Solution

The fourth proportional to 10,370.55, 15,557.82 and 5,688 is: 8,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.55 : 15,557.82 = 5,688 : x
  2. Step 2: Convert to fraction form
    10,370.55/15,557.82 = 5,688/x
  3. Step 3: Cross multiply
    10,370.55x = 15,557.82 × 5,688
  4. Step 4: Simplify right side
    10,370.55x = 88,492,880.16
  5. Step 5: Solve for x
    x = 88,492,880.16/10,370.55
  6. Step 6: Final answer
    x = 8,533.09

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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.