Home / 13,313.02-19,969.61-5,915.74

Finding the Fourth Proportional to 13,313.02, 19,969.61 and 5,915.74

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Solution

The fourth proportional to 13,313.02, 19,969.61 and 5,915.74 is: 8,873.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.02 : 19,969.61 = 5,915.74 : x
  2. Step 2: Convert to fraction form
    13,313.02/19,969.61 = 5,915.74/x
  3. Step 3: Cross multiply
    13,313.02x = 19,969.61 × 5,915.74
  4. Step 4: Simplify right side
    13,313.02x = 118,135,020.66
  5. Step 5: Solve for x
    x = 118,135,020.66/13,313.02
  6. Step 6: Final answer
    x = 8,873.65

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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.