Home / 15,462.46-21,343.32-10,999.16

Finding the Fourth Proportional to 15,462.46, 21,343.32 and 10,999.16

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Solution

The fourth proportional to 15,462.46, 21,343.32 and 10,999.16 is: 15,182.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462.46 : 21,343.32 = 10,999.16 : x
  2. Step 2: Convert to fraction form
    15,462.46/21,343.32 = 10,999.16/x
  3. Step 3: Cross multiply
    15,462.46x = 21,343.32 × 10,999.16
  4. Step 4: Simplify right side
    15,462.46x = 234,758,484.89
  5. Step 5: Solve for x
    x = 234,758,484.89/15,462.46
  6. Step 6: Final answer
    x = 15,182.48

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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.