Home / 12,255.02-18,384.69-5,688.62

Finding the Fourth Proportional to 12,255.02, 18,384.69 and 5,688.62

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Solution

The fourth proportional to 12,255.02, 18,384.69 and 5,688.62 is: 8,533.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255.02 : 18,384.69 = 5,688.62 : x
  2. Step 2: Convert to fraction form
    12,255.02/18,384.69 = 5,688.62/x
  3. Step 3: Cross multiply
    12,255.02x = 18,384.69 × 5,688.62
  4. Step 4: Simplify right side
    12,255.02x = 104,583,515.23
  5. Step 5: Solve for x
    x = 104,583,515.23/12,255.02
  6. Step 6: Final answer
    x = 8,533.93

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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.