Home / 13,240.02-19,821.15-10,447.14

Finding the Fourth Proportional to 13,240.02, 19,821.15 and 10,447.14

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Solution

The fourth proportional to 13,240.02, 19,821.15 and 10,447.14 is: 15,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.02 : 19,821.15 = 10,447.14 : x
  2. Step 2: Convert to fraction form
    13,240.02/19,821.15 = 10,447.14/x
  3. Step 3: Cross multiply
    13,240.02x = 19,821.15 × 10,447.14
  4. Step 4: Simplify right side
    13,240.02x = 207,074,329.01
  5. Step 5: Solve for x
    x = 207,074,329.01/13,240.02
  6. Step 6: Final answer
    x = 15,640.03

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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.