Home / 15,546.42-21,437.12-10,501.88

Finding the Fourth Proportional to 15,546.42, 21,437.12 and 10,501.88

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Solution

The fourth proportional to 15,546.42, 21,437.12 and 10,501.88 is: 14,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.42 : 21,437.12 = 10,501.88 : x
  2. Step 2: Convert to fraction form
    15,546.42/21,437.12 = 10,501.88/x
  3. Step 3: Cross multiply
    15,546.42x = 21,437.12 × 10,501.88
  4. Step 4: Simplify right side
    15,546.42x = 225,130,061.79
  5. Step 5: Solve for x
    x = 225,130,061.79/15,546.42
  6. Step 6: Final answer
    x = 14,481.15

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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.