Home / 13,250.02-18,285.05-7,281.60

Finding the Fourth Proportional to 13,250.02, 18,285.05 and 7,281.60

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Solution

The fourth proportional to 13,250.02, 18,285.05 and 7,281.60 is: 10,048.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.02 : 18,285.05 = 7,281.60 : x
  2. Step 2: Convert to fraction form
    13,250.02/18,285.05 = 7,281.60/x
  3. Step 3: Cross multiply
    13,250.02x = 18,285.05 × 7,281.60
  4. Step 4: Simplify right side
    13,250.02x = 133,144,420.08
  5. Step 5: Solve for x
    x = 133,144,420.08/13,250.02
  6. Step 6: Final answer
    x = 10,048.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.