Home / 13,238.46-19,837.18-10,458.24

Finding the Fourth Proportional to 13,238.46, 19,837.18 and 10,458.24

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Solution

The fourth proportional to 13,238.46, 19,837.18 and 10,458.24 is: 15,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.46 : 19,837.18 = 10,458.24 : x
  2. Step 2: Convert to fraction form
    13,238.46/19,837.18 = 10,458.24/x
  3. Step 3: Cross multiply
    13,238.46x = 19,837.18 × 10,458.24
  4. Step 4: Simplify right side
    13,238.46x = 207,461,989.36
  5. Step 5: Solve for x
    x = 207,461,989.36/13,238.46
  6. Step 6: Final answer
    x = 15,671.16

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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.