Home / 15,552.03-21,455.15-10,165.13

Finding the Fourth Proportional to 15,552.03, 21,455.15 and 10,165.13

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Solution

The fourth proportional to 15,552.03, 21,455.15 and 10,165.13 is: 14,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.03 : 21,455.15 = 10,165.13 : x
  2. Step 2: Convert to fraction form
    15,552.03/21,455.15 = 10,165.13/x
  3. Step 3: Cross multiply
    15,552.03x = 21,455.15 × 10,165.13
  4. Step 4: Simplify right side
    15,552.03x = 218,094,388.92
  5. Step 5: Solve for x
    x = 218,094,388.92/15,552.03
  6. Step 6: Final answer
    x = 14,023.53

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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.