Home / 15,829.44-21,852-10,242.24

Finding the Fourth Proportional to 15,829.44, 21,852 and 10,242.24

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Solution

The fourth proportional to 15,829.44, 21,852 and 10,242.24 is: 14,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.44 : 21,852 = 10,242.24 : x
  2. Step 2: Convert to fraction form
    15,829.44/21,852 = 10,242.24/x
  3. Step 3: Cross multiply
    15,829.44x = 21,852 × 10,242.24
  4. Step 4: Simplify right side
    15,829.44x = 223,813,428.48
  5. Step 5: Solve for x
    x = 223,813,428.48/15,829.44
  6. Step 6: Final answer
    x = 14,139.06

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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.