Home / 10,484.10-15,762.60-8,880.30

Finding the Fourth Proportional to 10,484.10, 15,762.60 and 8,880.30

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Solution

The fourth proportional to 10,484.10, 15,762.60 and 8,880.30 is: 13,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484.10 : 15,762.60 = 8,880.30 : x
  2. Step 2: Convert to fraction form
    10,484.10/15,762.60 = 8,880.30/x
  3. Step 3: Cross multiply
    10,484.10x = 15,762.60 × 8,880.30
  4. Step 4: Simplify right side
    10,484.10x = 139,976,616.78
  5. Step 5: Solve for x
    x = 139,976,616.78/10,484.10
  6. Step 6: Final answer
    x = 13,351.32

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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.