Home / 13,313.02-19,969.62-5,915.50

Finding the Fourth Proportional to 13,313.02, 19,969.62 and 5,915.50

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Solution

The fourth proportional to 13,313.02, 19,969.62 and 5,915.50 is: 8,873.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.02 : 19,969.62 = 5,915.50 : x
  2. Step 2: Convert to fraction form
    13,313.02/19,969.62 = 5,915.50/x
  3. Step 3: Cross multiply
    13,313.02x = 19,969.62 × 5,915.50
  4. Step 4: Simplify right side
    13,313.02x = 118,130,287.11
  5. Step 5: Solve for x
    x = 118,130,287.11/13,313.02
  6. Step 6: Final answer
    x = 8,873.29

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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.