Home / 15,552.54-21,474.27-10,254.78

Finding the Fourth Proportional to 15,552.54, 21,474.27 and 10,254.78

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Solution

The fourth proportional to 15,552.54, 21,474.27 and 10,254.78 is: 14,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.54 : 21,474.27 = 10,254.78 : x
  2. Step 2: Convert to fraction form
    15,552.54/21,474.27 = 10,254.78/x
  3. Step 3: Cross multiply
    15,552.54x = 21,474.27 × 10,254.78
  4. Step 4: Simplify right side
    15,552.54x = 220,213,914.51
  5. Step 5: Solve for x
    x = 220,213,914.51/15,552.54
  6. Step 6: Final answer
    x = 14,159.35

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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.